applied seals opens applications and design centre in silicon valley
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NEWS
4Sealing Technology June 2011
Self-adhering sealant tape endures harsh environments
Sika Corp, a supplier of sealing products, has developed a robust
sealant tape for both manufacturing assembly operations and field installa-tion applications.
Called Sika MultiSeal Plus, this self-adhering tape is capable of enduring harsh environmental conditions, such as glaring sunlight, dry heat and torrential rains.
An adhesive copolymer elastomeric mastic layer – coupled with a flexible, tear-proof, UV-resistant membrane – combine to create a permanent, water-tight seal.
Applications for this sealing membrane include transportation roofing surfaces, window and door installations, and heating and air-conditioning systems.
It is easy to apply and is available in rolls with 2-inch, 3-inch, 4-inch, 6-inch and 12-inch widths.
Contact:
Sika Corp, 201 Polito Avenue, Lyndhurst, NJ 07071,
USA. Tel: +1 201 933 8800, Web: www.sikausa.com
Epoxy has a low coefficient of thermal expansion
US-based Master Bond Inc is offer-ing a low outgassing epoxy which,
it claims, combines outstanding per-formance with a low coefficient of thermal expansion – compared with the high thermal expansion that is typical of most epoxy compounds.
Formulated from a blend of polymeric and inorganic materials, this two-component epoxy - called EP30LTE-LO - is serviceable over a temperature range of -51°C to 121°C. It cures at room temperature with 85% of its maximum strength developed within 48 hours. Faster cures are possible at elevated temperatures.
This 100% reactive epoxy has a coefficient of thermal expansion of 12 × 10 in/in/°C and a low shrinkage rate of less than 0.0002 in/in. It bonds well to metals, glass, ceramics, wood, vul-canised rubbers and most plastics, and produces bonds with a tensile strength of over 5000 psi.
This electrically insulating system resists thermal cycling and chemicals, including water, fuels and many acids, bases, salts and organic
solvents. It has a long working life of up to 60 minutes (for a 200-g mass).
EP30LTE-LO has a 10-to-1 mix ratio by weight and can be easily applied with a spatula, knife, trowel, brush or paint roller. It also can be readily cast with a thickness of 1 inch with-out undue exotherm developing, says the firm.
It is designed for bonding, sealing, casting and coating applications in the aerospace, elec-trical, electronics, chemicals, optical and com-puter industries.
Contact:
Master Bond Inc, 154 Hobart Street, Hackensack,
NJ 07601-3922, USA. Tel: +1 201 343 8983,
Fax: +1 201 343 2132,
Email: [email protected],
Web: www.masterbond.com
Company News
Applied Seals opens applications and design centre in Silicon Valley
Applied Seals North America Inc has opened a new applications and
design centre at its headquarters in Silicon Valley, California, USA.
The company says that the facility will improve its ability to troubleshoot customers’ problems with O-rings and other seals and design seals for the 22-nm technology node of semiconductor manufacturing.
Perfluoroelastomer (FFKM) seals are used in semiconductor-manufacturing equipment to create and maintain ultra-clean environments in which integrated circuits are made. For chip makers and wafer-fabrication equipment suppli-ers, the facility provides a dedicated applications laboratory for diagnosing and solving sealing
issues. Customers can send their seals to the firm for analysis.
‘This addition to our operation in Silicon Valley enables us to work even more closely with semiconductor industry members to edu-cate them about the wide range of sealing prod-ucts and technologies and their differences,’ said Dalia Vernikovsky, President and General Manager, Applied Seals North America.
‘Diagnosing the cause of a specific problem and then prescribing the right seal is critical. We can now quickly provide exact solutions to problems.’
The centre is equipped to precisely measure standard and customised seals and glands, and determine surface roughness to within 50 nm. Metrology data are then used to perform finite element analysis (FEA) to optimise the geom-etry and composition of sealing components for individual applications. The centre’s installed base of metrology equipment includes magnify-ing optical comparators, CCTV-coupled micro-scopes, callipers and gauges.
The firm also can use the facility’s capabilities to develop new sealing technology for manufacturing processes including immersion lithography and the deposition of materials such as hafnium.
Vernikovsky says that the new facility may be used eventually to produce prototype seals prior to volume manufacturing at the company’s fac-tory in Taiwan.
Contact:
Applied Seals North America Inc, 39899 Balentine
Drive, Suite 368, Newark, CA 94560-5355, USA.
Tel: +1 510 623 8307, Fax: +1 510 623 8723,
Email: [email protected],
Web: www.appliedsealsna.com
Joint venture combines Cooper Standard’s French sealing business with SPBT
US-based Cooper-Standard Automotive Inc has signed an
agreement with France’s Fonds de Modernisation des Equipementiers Automobiles (FMEA) – a Fonds Commun de Placement à Risques (a type of venture capital mutual fund), jointly owned by Renault SA, PCA Peugeot Citroën and the Fonds Strategique d’Investissement.
The agreement aims to establish a joint venture that will combine Cooper Standard’s French body-sealing operations and the operations of Société des Polymères Barre Thomas Sas (SPBT).
Master Bond Inc’s low outgassing epoxy EP30LTE-LO combines a low coefficient of thermal expansion with solid, electrical insulation properties.