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Advanced Materials

Electrical EngineeringSelector Guide – North America

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Huntsman Advanced Materials LLC is a leading global supplier of chemical building blocks and synthetic polymer systems for customers requiring high-performance materials which meet or exceed the properties, functionality and durability of traditional materials. Over 2,000 associates at more than 20 locations worldwide work to fulfill this promise every day.

The primary markets we serve include:

• Aerospace • Coatings & Construction• Consumer-DIY

• Electrical & Electronics Engineering• Transportation & Industrial

About Huntsman Advanced Materials

Electrical Engineering Market

For over 50 years we have supplied our customers throughout the world with insulating thermoset materials for insulators and bushings, generators, switchgears, distribution/instrument transformers, and motors for utility and industrial applications.

Our comprehensive product portfolio consists of high-performance epoxy-based and polyurethane-based systems which are free of any volatile organic compounds (VOC) and thus offer an environmentally safer alternative to solvent-borne systems.

The products formulated by Huntsman are designed to provide an extended service life and meet specific industry requirements for electrical insulation in indoor and outdoor environments. They are supported with a comprehensive technical data package which may include thermal conductivity, mechanical properties, shrinkage, water absorption and flame retardancy properties, to name but a few. Many of our products are UL® recognized and are designed to be compatible with insulation media such as air, mineral oil, SF6, mixtures of insulating gases (e.g., SF6 and nitrogen) or vacuum conditions. In addition, many of our products are suitable for high-temperature or sub-zero service conditions.

Huntsman has received ISO 9001, QS 9000 and TS 16949 certification for its quality management. Meeting these stringent requirements is just one additional way we strive to exceed our customers’ expectations by supplying consistent quality products and value-added technology.

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Huntsman’s Commitment to REACH & Sustainability

We’re on a journey to create a more sustainable businessWhile Huntsman has experienced tremendous growth – with more than 30 acquisitions since 1970 – our basic core values and strong business ethics continue to be the foundation for our business success. We know that operating responsibly is important to ensuring a long-term sustainable future for our business, associates and investors, and fundamentally critical for society as a whole.

We have a clear visionWe see a better world in which our innovations help reduce consumption of natural resources and improve the quality of life for people everywhere. We see a work environment that encourages our associates to improve their processes by reducing resource consumption and turn waste streams into profitable products, creating and sustaining jobs and enhancing the bottom line. We see a company that not only boasts a strong balance sheet, but is also an active contributor to society and a champion for protecting our environment.

Huntsman is committed to REACHFor the team at Huntsman, REACH is not simply a matter of registering products. Compliance and a commitment to product safety are central to our business and deeply embedded in our Environmental, Health & Safety (EHS) program.

At Huntsman we have established a REACH Implementation Team (RIT), a group of in-house experts whose knowledge and dedication ensures that our legal obligations are met and that we can build competitive advantage for our customers. Actively engaged in the European chemical industry’s journey to a single regulatory system, the RIT helps guide industry consortia; serves as Lead Registrant for key substances; and works closely with our own supply-chain partners to ensure that milestones are met on time.

Huntsman is managing its registrations and proactively preparing for other REACH developments, including any restrictions and authorization. In addition, we are developing the in-house systems to manage the long-term compliance with REACH affecting new product development, new substances and changing suppliers. Throughout we will continue to liaise with customers, partners and industry contacts, to ensure timely and effective resolution of any new REACH issues, and thus ensure continuous compliance.

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Araldite® systems are designed to produce insulators with high cantilever strength, and bushings with low partial discharge levels and excellent sealing properties, when used in a SF6 gas environment. For outdoor applications, outstanding weathering resistance is required. Araldite® cycloaliphatic outdoor systems are backed by 40 years of service experience. Araldite® HCEP (hydrophobic cycloaliphatic epoxy) systems reduce current leakage due to their hydrophobic properties, and therefore further improve reliability and extend the life expectancy of insulators.

Product Designation

Filled Unfilled Mix ratio (pbw)

Tg, °C Viscosity (40°C), cPs

K1C Mpa.m0.5

Manufacturing process

Main properties

Araldite® Casting Systems for Outdoor ApplicationsAraldite® CY 184Aradur® HT 907Accelerator DY 183Silica flour

✔ 100 / 903 / 300

110 – 115

10,000 – 15,000

2.5 Automatic pressure gelation, vacuum casting

Heat curing cycloaliphatic epoxy casting system. Suitable for medium- and high-voltage electrical insulating components.

Araldite® CY 184 Aradur® HY 1235 Accelerator DY 062 Silica

✔ 100/90 / 0.6/ 290

105-115

~15,000 2.6-3.0 Automatic pressure gelation, vacuum casting

Heat curing cycloaliphatic epoxy casting system. Excellent arc tracking and thermal shock resistance.

Araldite® CW 5908Aradur® HW 5909

✔ 100 / 100

115 – 132

10,500 2.7 – 2.8 Automatic pressure gelation, vacuum casting

Toughened cycloaliphatic epoxy system for medium-voltage applications. Excellent arc tracking and thermal shock resistance.

Araldite® CY 5910Aradur® HY 1235Accelerator DY 062Araldite® DW 9134Silica

✔ 100 / 890.3 / 5 / 310

115 – 132



Araldite® CW 5817Aradur® HY 1235Accelerator DY 062

✔ 100 / 23 / 0.125

95 – 105


Heat curing cycloaliphatic epoxy casting system. Excellent arc tracking and thermal shock resistance. Flammability: UL® 94 V-0 (12.0 mm)

Araldite® CY 9729 Aradur® HT 907 Accelerator DY 9741

✔ 100 / 74 / 2-4

115 – 132

50,000 – 70,000 (25°C)

Not Determined

Automatic pressure gelation, vacuum casting

Outstanding electrical and mechanical properties. Excellent thermal shock resistance and greater toughness than porcelain.

Araldite® HCEP Hydrophobic Systems

Araldite® CW 5625Aradur® HW 5625-1

✔ 100 / 100

100 – 115


Hydrophobic cycloaliphatic epoxy prefilled system, excellent thermal cycle resistance, hydrophobicity transfer and recovery.

Araldite® CY 5622Aradur® HY 1235Accelerator DY 062Silica flour

✔ 100 / 820.45 / 325

100 – 115


Hydrophobic cycloaliphatic epoxy unfilled system, excellent thermal cycle resistance, hydro-phobicity transfer and recovery.

Araldite® S-HCEP Hydrophobic System

Araldite® S-HCEP Resin XB 5829Hardener XB 5830

✔ 100 / 155 or 100 / 100 (pbv)

20 4,000 Not Applicable

Automatic pressure gelation

Cost-effective hydrophobic, housing material for composite insulators (sheds), and outdoor instrument transformers, high tracking and erosion resistance, easy processing, no primer treatment. High elongation.

Insulators and Bushings

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Product Designation



K1C Mpa.m0.5


Main properties

Araldite® Casting Systems for Indoor ApplicationsAraldite® CW 5915-1 GreyAradur® HW 5916-1

✔ 77 / 100 > 130 4,000 at 80°C

3.2 – 3.3 Automatic pressure gelation, vacuum casting

Toughened prefilled epoxy system, excellent thermal shock resistance, high Tg and high modulus.


✔ 100 / 100

110 – 120

35,000 – 65,000


Excellent resistance to thermal cycling and thermal endurance properties. Qualifies for 200°C applications. Supplied in black also. Recognized UL® 746C. Relative thermal index is 200°C.

Araldite® CY 5995Aradur® HY 5996Silica flour

✔ 100 / 87 / 280

130 – 150

20,000 at 40°C



Araldite® NPC System (No Post Cure)

Araldite® Cast & GoAraldite® CW 30100 redAradur® HW 30102

✔ 100 / 100 pbv

115 4,000 at 40°C

2.9 – 3.2 Automatic pressure gelation

Easy to process using simple equipment. Does not require degassing, preheating or post cure. High toughness. NEW

Araldite® CW 229 NPCAradur® HW 229-1 NPC

✔ 100 / 100

100 – 125

10,000 at 40°C


No post cure required after demolding, good thermal cycling resistance, excellent crack resistance, and helps minimize processing costs. NEW

Product Designation Filled Unfilled Mix ratio (pbw)


Flexural strength, psi


Main properties

Araldite® Core Materials – Impregnation Systems for Rods and TubesAraldite® CY 179-1Aradur® HY 917Accelerator DY 070

✔ 100 / 115 / 0.5 – 2.0

200 – 205

100 – 200 10,875 – 13,775

Pultrusion Low viscosity, high Tg system, suitable for pultrusion and filament winding applications.

Resin XU 9509Aradur® HY 9519Mould release QZ 9519

✔ 100 / 104 / 14.3

~ 200 400 – 500 8,100 – 12,600

Pultrusion Low viscosity and long working life 3-component system, for applications with either glass or carbon fiber reinforcement.

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Araldite® casting systems are designed to provide the high crack resistance and the optimum glass transition temperature (Tg) required for instrument transformers. For outdoor applications, outstanding weather resistance is required. Araldite® cycloaliphatic outdoor systems are backed by 40 years of service experience. Araldite® HCEP systems reduce current leakage due to the hydrophobic properties, and therefore further improve reliability and extend the service life of instrument transformers.

Product Designation



K1C Mpa.m0.5


Main properties

Araldite® Casting Systems for Outdoor ApplicationsAraldite® CW 5817Aradur® HY 1235Accelerator DY 062

✔ 100 / 23 / 0.125

95 – 105


Heat curing cycloaliphatic epoxy casting system. Excellent arc track and thermal shock resistance. Flammability: UL® 94 V-0 (12.0 mm)

Araldite® CY 184Aradur® HT 907Accelerator DY 183Silica flour

✔ 100 / 903 / 300

110 – 115

10,000 – 15,000

2.5 Automatic pressure gelation, vacuum casting

Heat curing cycloaliphatic epoxy casting system. Suitable for medium- and high-voltage electrical insulating components.

Arathane® 5814 POArathane® 5814 IS

✔ 100 / 18 30 3,000 – 8,000

75 – 80 Vacuum casting Flammability: UL® 94 V-0 (6.0mm). Thermal index of 130°C by UL® 1446 by twisted pair and 180°C by helical coil test


✔ 100 / 100

115 – 132





✔ 100 / 100

100 – 115



Araldite® CY 5622Aradur® HY 1235 Accelerator DY 062 Silica flour

✔ 100 / 820.45 / 325

100 – 115


Hydrophobic cycloaliphatic epoxy unfilled system, excellent thermal cycle resistance, hydrophobicity transfer and recovery.

Araldite® S-HCEP Hydrophobic System

Araldite® S-HCEP Resin XB 5829Hardener XB 5830

✔ 100 / 155 or 100 / 100 (pbv)

20 4,000 Not Applicable

Automatic pressure system gelation

Cost-effective hydrophobic epoxy system for composite insulators (sheds), and outdoor instrument transformers. High tracking, erosion resistance, high elongation, and easy to process (no primer required).

Instrument Transformers

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Product Designation



K1C Mpa.m0.5


Main properties

Araldite® Casting Systems for Indoor Applications (Epoxy)Araldite® CW 229Aradur® HW 229-1

✔ 100 / 100

110 – 120

35,000 – 65,000

2.8 – 3.0


Excellent resistance to thermal cycling and thermal endurance properties. Qualifies for 200°C applications. Also available in black. Recognized UL® 746C. Relative thermal index is 200°C.


✔ 100 / 100

110 – 120

35,000 – 65,000

2.7 – 2.8


Suitable for medium- to high-voltage applications including SF6 types of insulation. Qualifies for 200°C appli-cations. Available in blue or black.

Araldite® CW 5942-1Aradur® HW 5943-1

✔ 100 / 100

50 – 60

12,000 – 15,000

2.4 – 2.6

Vacuum casting Suitable for applications requiring a flame-retardant insulation system. Flammability: UL® 94 V-0 (6.0mm).

Product Designation


Tg, °C Working Time (~25°C)

Viscosity (25°C), cPs

Hardness Shore D


Main properties

Arathane® Casting Systems for Indoor Applications (Polyurethane)Arathane® 5814 POArathane® 5814 IS

✔ 100 / 18 ~30 ~50 mins 3,000 – 8,000

75 – 80 Vacuum casting

Flammability: UL® 94 V-0 (6.0mm). Thermal index of 130°C by UL® 1446 by twisted pair and 180°C by helical coil test


✔ 100 / 26 3 – 5 ~5 mins ~2,150 85 – 90 [Shore A]

Vacuum casting

Low-viscosity system designed for casting/potting of delicate electrical components.


✔ 100 / 43 72 – 77

~5 mins 1,000 – 1,500


Low-viscosity system designed for casting/potting of electrical components.


✔ 100 / 13 2 – 4 ~15 mins 4,000 – 5,000


Highly flexible casting system for high-voltage electrical devices. Good mechanical and electrical properties. Flammability: UL® 94 V-0 (6.0 mm).

Arathane® CW 5620Arathane® HY 5610

✔ 100 / 22 ~20 ~25 mins ~1,300 40 [85 Shore A]

Vacuum casting

Halogen-free casting/impregnating system. Suitable for pressure-sensitive devices.

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Switchgears

Product Designation



K1C Mpa.m0.5


Main properties

Araldite® Casting Systems for Outdoor ApplicationsAraldite® CW 5908Aradur® HW 5909

✔ 100 / 100

115 – 132

10,500 2.7 – 2.8


Toughened cycloaliphatic epoxy system for medium-voltage applications. Excellent arc track and thermal shock resistance.

Araldite® CY 184 Aradur® HY 1235 Accelerator DY 062 Silica

✔ 100/90 / 0.6/ 290

105-115

~15,000 2.6-3.0



Araldite® CY 5910Aradur® HY 1235Accelerator DY 062Silica

✔ 100 / 80 / 0.5 / 310

115 – 132

10,500 2.6 – 2.9



Araldite® CY 5910Aradur® HY 1102Accelerator DY 062Araldite® DW 9134Silica

✔ 100 / 89 / 0.3 / 5 / 310

115 – 132

10,500 2.7 – 2.8



Araldite® CW 5817Aradur® HY 1235Accelerator DY 062

✔ 100 / 23 / 0.125

95 – 105

3,800 2.1 – 2.3


Heat curing cycloaliphatic epoxy casting system. Excellent arc track and thermal shock resistance. Flammability: UL® 94 V-0 (12.0 mm).



✔ 100 / 100

100 – 115

10,000 2.3 – 2.5



Araldite® CY 5622Aradur® HY 1235Accelerator DY 062Silica flour

✔ 100 / 820.45 / 325

100 – 115

10,000 2.3 – 2.5



Araldite® casting systems for switchgear parts provide medium to high glass transition temperature (Tg) and high resistance to mechanical creeping because of gas pressure in gas-insulated substation (GIS) parts. In order to increase productivity, Araldite® NPC systems have been developed, which do not require a post cure cycle. For outdoor applications, outstanding weathering resistance is required. Araldite® cycloaliphatic outdoor systems are backed by 40 years of service experience. Araldite® HCEP systems reduce current leakage due to the hydrophobic properties, and therefore further improve reliability and extend the life expectancy of switchgears.

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Product Designation



K1C Mpa.m0.5


Main properties

Araldite® Casting Systems for Indoor ApplicationsAraldite® CW 229Aradur® HW 229-1

✔ 100 / 100 110 – 120

35,000 – 65,000

2.8 – 3.0




✔ 100 / 100 110 – 120

35,000 – 65,000

2.7 – 2.8


Suitable for medium to high voltage applications including SF6 types of insulation. Qualifies for 200°C applications. Available in blue and black.

Araldite® CW 5915-1 GreyAradur® HW 5916-1

✔ 77 / 100 > 130 4,000 at 80°C

3.2 – 3.3


Toughened prefilled epoxy system with excellent thermal shock resistance, high Tg and high modulus.

Araldite® CY 5995Aradur® HY 5996Silica flour

✔ 100 / 87 / 280

130 – 150

20,000 at 40°C

2.0 – 2.1



Araldite® NPC System (No Post Cure)

Araldite® Cast & GoAraldite® CW 30100 redAradur® HW 30102

✔ 100 / 100 pbv

115 4,000 at 40°C

2.9 – 3.2

Automatic pressure gelation

Easy to process using simple equipment. Does not require degassing, preheating or post cure. High toughness. NEW

Araldite® CW 229 NPCAradur® HW 229-1 NPC

✔ 100 / 100 100 – 125

10,000 at 40°C

2.8 – 3.0


No post cure required after demolding, good thermal cycling resistance, excellent crack resistance, helps optimize processing cost. NEW

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Generators and Motors

Product Designation


Tg, °C Mixed Viscosity (25°C), cPs

Thermal class (IEC 60085)


Main properties

Araldite® Impregnation and Casting Systems for Generators and MotorsResin XD 4410 ✔ 1-component 120 –

1401,350 – 1,850

F Vacuum pressure impregnation

Anhydride-free, single-component system with excellent dielectric properties.

Araldite® MY 790-1Aradur® HY 1102

✔ 100 / 90 135 – 145

450 – 500 H Vacuum pressure impregnation

Standard VPI low-viscosity, latent heat-curing system with excellent mechanical and electrical properties.

Araldite® CY 5841 ✔ 1-component 115 – 120

1,500 – 2,200

H Vacuum pressure impregnation

Excellent thermal endur-ance. UL® recognized. Thermal index of 180°C by UL® 1446 by twisted pair and 200°C by helical coil test.

Araldite® CY 192-1Aradur® HY 918

✔ 100 / 100 ~92 ~120 F Vacuum pressure impregnation

Outstanding arc and tracking resistance. High flexibility and crack resistance.

Araldite® FHardener XV 295

✔ 100 / 100 105 – 115

3,000 (20°C)

F Vacuum pressure impregnation, trickle impregnation

Reactive diluent free, low-viscosity resin sys-tem with high thermal endurance properties.

Araldite® CW 5853Aradur® HY 5853

✔ 100 / 90 125 – 135

~1,000 H Vacuum casting, automatic pressure gelation, trickle impregnation

Trickle impregnation sys-tem. UL® recognized. Thermal index of 180°C by UL® 1446 by twisted pair and 200°C by helical coil test.


✔ 100 / 100 110 – 120

35,000 – 65,000

K Vacuum casting, automatic pressure gelation


Araldite® CW 5715Aradur® HY 5716

✔ 100 / 27 ~125 8,000 Vacuum casting Excellent high tem-perature endurance and thermal shock resistance. Superior anti-crack propagation.

Araldite® and Aradur® casting and impregnation systems can be used in virtually all insulation components of motors and generators thanks to their high mechanical strength, strong adhesion to various metals and substrates, and their excellent dielectric properties. Their low viscosity provides an excellent impregnation to the electrical parts.

The trend towards generators and motors with increased power output, higher integration density and reduced size requires materials with very high temperature resistance and which can withstand extreme thermal cycling during service.

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Dry-Type Distribution Transformers

Product Designation



K1C Mpa.m0.5


Main properties

Araldite® Casting Systems for Indoor ApplicationsAraldite® CW 229Aradur® HW 229-1

✔ 100 / 100 110 – 120

35,000 – 65,000

2.8 – 3.0


Excellent resistance to thermal cycling and thermal endurance properties. Qualifies for 200°C applications. Also available in black. Recognized UL® 746 C. Relative thermal index is 200°C.


✔ 100 / 100 110 – 120

35,000 – 65,000

2.7 – 2.8


Suitable for medium- to high-voltage applications including SF6 types of insulation. Qualifies for 200°C appli-cations. Available in blue and black.

Araldite® CW 5942-1Aradur® HW 5943-1

✔ 100 / 100 50 – 60

12,000 – 15,000

2.4 – 2.6

Vacuum casting

Suitable for applications requiring a flame retardant insulation system. Flammability: UL® 94 V-0 (6.0mm).

Araldite® CY 5841 ✔ 1- component

115 – 120

1,500 – 2,200

ND Vacuum pressure impregnation

Single component system with excellent thermal endurance properties and suitable for 180°C continuous service.

Araldite® CY 5948 BrownAradur® HY 925-1Silica

✔ 100 / 80 / 350

80 – 90

14,000 (60°C)

3.1 – 3.4

Vacuum casting

Long pot life. Excellent mechanical and electrical properties. Excellent crack resistance. Recognized UL® 746 B. Relative thermal index is 200°C.

Araldite® CY 5825Aradur® HY 5825

✔ 100 / 121 230 – 240

30,000 – 40,000

NA Vacuum casting

High Tg system, suitable for high-temperature electrical insulation applications. Formulated specifically for enhanced gamma radiation resistance.

Araldite® FAradur® HY 905Accelerator DY 062Flexibilizer DY 040Silica flour

✔ 100 / 1001.0 / 10 / 410

90 – 100

10,000 (80°C)

2.7 – 2.9

Vacuum casting

Suitable for indoor medium- and high-voltage transformers. Provides good mechanical, electrical and very high thermal endurance properties.

Araldite® BAradur® HT 903-1

✔ 100 / 40 105 – 120

~2,500 (100°C)

2.1 – 2.3

Vacuum casting

Suitable for indoor medium- and high-voltage transformers. Provides good mechanical, electrical and very high thermal endurance properties.

Araldite® HCEP Hydrophobic Systems for Outdoor ApplicationsAraldite® CY 5622Aradur® HY 1235Accelerator DY 062Silica flour

✔ 100 / 820.45 / 325

100 – 115

10,000 2.3 – 2.5



Araldite® systems have a long, successful track record in the area of dry-type distribution transformers. Our Araldite® product range meets the general requirements for cast resin transformers, providing high crack resistance, a slow curing process to avoid internal stresses, and the high thermal class required for this type of application.

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In addition to a comprehensive range of formulated impregnation and casting systems, Huntsman also offers ancillary products to fill the needs of our formulating customers.

Product Designation Appearance Viscosity (25°C), cPs

Density at 25°C (g/cm3)

Main properties

Electrical Products for Special Applications and Improved Working HygieneAra® Ecocleaner Clear liquid < 10 1.07 – 1.11 Non-flammable (103°C flash point), non-toxic,

biodegradable cleaning agent for improved safety and industrial hygiene. Suitable alternative for acetone, NMP, or Methylene Chloride. NEW

AncillariesMold Release QZ 13 Clear liquid ~ 4 ~0.85 Solvent-based, fast-drying release agent

(38°C flash point).

Mold Release QZ 66 Clear liquid ~ 17 ~ 0.95 Fast drying, non-flammable, solvent-free release agent (99°C flash point).

Accelerator DY 062 Clear liquid < 10 0.89 – 0.91 Fast, tertiary-amine accelerator suitable for high Tg, epoxy anhydride-based systems.

Accelerator DY 071 Clear liquid 250 – 500 Tertiary-amine accelerator suitable for epoxy-based systems used in electrical composite applications.

Accelerator DY 073-1 Pale yellow liquid

5 – 15 Latent, amine-based accelerator for use in anhydride-cured casting and impregnating epoxy systems.

Accelerator DY 183 Dark brown 3,000 – 5,000 1.00 – 1.10 Tertiary-amine accelerator for use in anhydride-cured epoxy systems.

Accelerator DY 9577 Brown semi-solid

Not applicable Boron trichloride-amine complex suitable as a latent accelerator for anhydride cured epoxy systems.

Accelerator DY 9741 Clear amber liquid

30 – 150 Tertiary-amine accelerator suitable for epoxy based systems.

Flexibilizer DY 040 Clear liquid 60 – 90 0.95 – 1.05 Solvent-free polyglycol based flexibilizing agent for use in anhydride-cured epoxy systems.

Epoxy Color Pastes: Araldite® DW 0131 WhiteAraldite® DW 0132 YellowAraldite® DW 0133 RedAraldite® DW 0134 GreenAraldite® DW 0135 BlueAraldite® DW 0136 BrownAraldite® DW 0137-1 Black

Slightly thixotropic paste

Coloring pastes for epoxy casting resin systems. Provides uniform coloration of filled or unfilled systems and provides excellent light and heat resistance.

Cycloaliphatic Color Paste: Araldite® DW 9134 Grey

Paste Solvent-free, ANSI grey color paste based on cycloaliphatic epoxy resin. Suitable for the formulation of Araldite® cycloaliphatic epoxy resin based outdoor insulation systems.

Special Products and Components for Electrical Applications

Product Designation Mix ratio Tg Viscosity (25°C) Manufacturing process Main Properties

Araldite® HRI CY 30010Aradur® HY 30011

100 / 10 115-120 ~170 Vacuum pressure impregnation, trickle impregnation, filament winding

Anhydride-free, Hydrolysis Resistant Impregnation (HRI) system with good fracture resistance. Extended service life. NEW

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Properties Standards Definitions

Density ISO 1183 The mass per unit volume of a substance under specified conditions of pressure and temperature.

Viscosity ISO 2555 Measure of the resistance to flow of a fluid under shear force.

Gel Time ISO 9396 Time taken for a thermosetting compound to solidify or to reach the point where it no longer flows.

Glass Transition Temperature

ISO 11357-2 Temperature at which an amorphous substance will transform from a glassy to a rubbery state.

Thermal Conductivity ISO 8894-2 Heat flow per unit area divided by the temperature gradient [W/mK]

Thermal Class IEC 60085 Thermal Classes: Y = 90°C, A = 105°C, E = 120°C, B = 130°C, F = 155°C, H = 180°C, K = 200°C, M = 220°C

Shore Hardness DIN 53805 Resistance against the penetration of a body of specified shape, applied under a specific load.

Tensile Strength ISO 527 The tensile strength is the maximum stress that a material can withstand while being stretched or pulled before failing or breaking.

Flexural Strength ISO 178 Characterizes the ability of a material to resist deformation under load.

Elongation at Break ISO 527 Also known as fracture strain. It is the ratio between changed length and initial length after breakage of the test specimen.

Modulus of Elasticity ISO 527 Also known as Young’s Modulus. It is used to characterize the stiffness of a material by expressing the ratio of the stress applied to a substance to the strain that results in the substance in response to it.

Dielectric Dissipation Factor Tan

IEC 60250 The dielectric dissipation factor tan δ of a material indicates the electrical losses of the dielectric. It is the tangent of the dielectric loss angle δ. The dielectric loss angle δ of an insulating material is the angle by which the phase difference between applied voltage and resulting current deviates from 90 degrees, when the dielectric of the capacitor consists exclusively of the dielectric material.

Relative Permittivity IEC 60250 The relative pemittivity of an insulating material is the ratio of capacitance of a capacitor, in which the space between and around the electrodes is entirely and exclusively filled with the insulating material in question, to the capacitance of the same configuration of electrodes in vacuum. The permittivity of an insulating material is the product of its relative permittivity, and the electric constant (or permittivity of vacuum).

Dielectric Strength IEC 60243-1 IEC 60455-2 (1998)

The dielectric strength is the quotient of the breakdown voltage and the distance between the conducting parts between which the voltage is applied under prescribed test conditions.

Fracture Toughness Internal test PM 216-0 double-torsion test (for prefilled material) ISO 13586 bend notch test (for unfilled material)

The double-torsion test and the bend notch test are controlled crack propagation methods for measuring the energy required to propagate a crack. – K1C, critical stress intensity factor: K1 defines the stress field around the sharp crack; the fracture occurs when K1 reaches the critical value. K1C. – G1C, specific energy of fracture: measure of resistance to crack propagation in a material under static load. The higher the values of K1C and G1C, the tougher is the material.

Comparative Tracking Index CTI

IEC 60112 The comparative tracking index is the numerical value of the maximum voltage at which five test specimens withstand the test period for 50 drops without tracking failure and without a persistent flame occurring and including also statements relating to the behavior of the material when tested using 100 drops and the depth of erosion.

Glossary of Industry Terminology

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Industry Processes

Process Selection Criteria Typical Applications

1. Vacuum castingEnsures good impregnation of high-voltage windingsReliable electrical insulationExcellent chemical and mechanical protectionShort cycle timesFully automatic continous production linesHighest productivity

Excellent impregnation and gap-filling capabilityLow viscosity for easy processingHigh crack resistanceLow coefficient of thermal expansionHigh thermal durability (thermal class)High dielectric strengthHigh heat conductivitySedimentation stability

Instrument transformers Stators & rotorsInsulators & bushings

2. Automated Pressure Gelation (APG)Ensures void-free castingsShort cycle timesShrinkage compensationFeeding of clamping machines over ring lines with central resin system preparation

Low viscosity for easy processingSedimentation stabilityFast demolding and curingThermal classHigh crack resistanceLow coefficient of thermal expansionHigh heat conductivity

InsulatorsBushingsStators / rotorsSwitchgears

3. Vacuum Pressure Impregnation (VPI)Ensures void-free impregnationReliable electrical insulation with lowest particle dischargesExcellent bonding and mechanical fixationGood heat dissipation

Low viscosityStable viscosity1-/2-component systemsThermal classHigh tracking resistance and dielectric strengthHumidity and chemical resistance

Large motors and generators

4. Trickle ImpregnationEnsures void-free impregnation of windingsNo loss of impregnating resinAutomatic trickle machines for continous processExcellent bonding and mechanical fixationGood heat dissipation

Solvent-free resinsThermal classHigh tracking resistance and dielectric strengthHigh mechanical strengthHigh humidty and chemical resistance

Small motors for hand tools and household appliances

5. PultrusionContinuous process to manufacture Composite parts with constant cross-sectionEnergy-efficient and cost-effective process Suitable to manufacture straight profile objects (like rods, etc.)

Low viscosity for optimal fiber wet-out (excellent impregnation)Long working lifeRapid gelation and cure at elevated temperatureHigh glass transition temperatureVery good thermal oxidative stabilityConsistant quality

Preformed shapes of electrical composite parts for:Switch-gear componentsMounting braces and backboardsLadders and Cable trays for Electrical insulation

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UL® Classifications for Huntsman Systems

UL® File System Thickness, mm Flame Class RTI

Elec Imp Str

Plastics – ComponentE168815 Araldite® CW 229 US

Aradur® HW 229-1 US1.56

HBHB 200 200 200

Araldite® CW 229 USAradur® HW 5787 US

1.56

HBHB 200 200 200

Araldite® CW 9029 USAradur® HW 9029 US

1.5 6

HB HB 200 200 200

Araldite® CW 5942-1 USAradur® HW 5943-1 US

6 V-0 90

Araldite® CW 5817 USAradur® HY 1235Accelerator DY 062

12 V-0


6 V-0 50 50 50


312

HBHB

50 50 50


312

HBHB

50 50 50


612

V-0V-0

50 50 50

System Components, Electrical Insulation – ComponentE170246 Araldite® CW 229 US

Aradur® HW 229-1 US1.56

HBHB 200 200 200

Plastics – ComponentE96722 Araldite® CY 5948

Aradur® HY 925-1Silica

6 HB 200

Varnish Dsg ANSI Magnet Wire Type Varnish Thermal Class C

TP HC CE

Varnishes – ComponentArathane® 5814 IS I Arathane® 5814 PO US MW80 130 180 --

Araldite® CY 5841 US MW35 180 180 --

Araldite® CW 5853 US / Aradur® HY 5853 US MW35 180 200 --

Legal InformationSales of the product described herein (“Product”) are subject to the general terms and conditions of sale of either Huntsman Advanced Materials LLC, or its appropriate affiliate including without limitation Huntsman Advanced Materials (Europe) BVBA, Huntsman Advanced Materials Americas Inc., or Huntsman Advanced Materials (Hong Kong) Ltd. or Huntsman Advanced Materials (Guangdong) Co., Ltd. (“Huntsman”). The following supercedes Buyer’s documents. While the information and recommendations included in this publication are, to the best of Huntsman’s knowledge, accurate as of the date of publication, NOTHING CONTAINED HEREIN IS TO BE CONSTRUED AS A REPRESENTATION OR WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHTS, OR WARRANTIES AS TO QUALITY OR CORRESPONDENCE WITH PRIOR DESCRIPTION OR SAMPLE, AND THE BUYER ASSUMES ALL RISK AND LIABILITY WHATSOEVER RESULTING FROM THE USE OF SUCH PRODUCT, WHETHER USED SINGLY OR IN COMBINATION WITH OTHER SUBSTANCES. No statements or recommendations made herein are to be construed as a representation about the suitability of any Product for the particular application of Buyer or user or as an inducement to infringe any patent or other intellectual property right. Data and results are based on controlled conditions and/or lab work. Buyer is responsible to determine the applicability of such information and recommendations and the suitability of any Product for its own particular purpose, and to ensure that its intended use of the Product does not infringe any intellectual property rights. The Product may be or become hazardous. Buyer should (i) obtain Material Safety Data Sheets and Technical Data Sheets from Huntsman containing detailed information on Product hazards and toxicity, together with proper shipping, handling and storage procedures for the Product, (ii) take all steps necessary to adequately inform, warn and familiarize its employees, agents, direct and indirect customers and contractors who may handle or be exposed to the Product of all hazards pertaining to and proper procedures for safe handling, use, storage, transportation and disposal of and exposure to the Product and (iii) comply with and ensure that its employees, agents, direct and indirect customers and contractors who may handle or be exposed to the Product comply with all safety information contained in the applicable Material Safety DataSheets, Technical Data Sheets or other instructions provided by Huntsman and all applicable laws, regulations and standards relating to the handling, use, storage, distribution and disposal of and exposure to the Product. Please note that products may differ from country to country. If you have any queries, kindly contact your local Huntsman representative.

Araldite®, Aradur®, Arathane,® and Ara® are registered trademarks of Huntsman Corporation or an affiliate thereof in one or more, but not all, countries. UL® is a trademark of UL LLC.

Copyright © 2014 Huntsman Corporation. All rights reserved.

For More Informationwww.huntsman.com/advanced_materials [email protected]

Americas:Huntsman Advanced Materials Americas LLC 10003 Woodloch Forest Drive The Woodlands Texas 77380 USA Tel. +1 888 564 9318 Fax +1 281 719 4047

Europe:Huntsman Advanced Materials (Switzerland) GmbH Klybeckstrasse 200 P.O. Box 4002 Basel Switzerland Tel. +41 61 299 20 41 Fax +41 61 299 20 40

Asia/Pacific:Huntsman Advanced Materials (Guangdong) Co., Ltd. Rooms 4604 – 4606, 46F Maxdo Center 8 Xing Yi Road Shanghai, 200336 P.R. China Tel. +86 21 2208 7588 Fax +86 21 2208 7511Customer Free Call Inquiry +86 20 8484 5000

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