7/31/2019 Plastics and Their Uses Higher2

1/18

Plastics and theiruses High Density Polythene

Low Density PolythenePolyvinyl Chloride

Polystyrene

Nylon

Cellulose Acetate

Acrylic

PolypropyleneABS

Epoxy Resin

Melamine Formaldehyde

Polyester Resin

Glass Reinforced Plastic

Carbon Fibre PlasticsElastomers

7/31/2019 Plastics and Their Uses Higher2

2/18

All Plastics fall within two groups

Thermoplastics

High Density PolytheneLow Density Polythene

Polyvinyl Chloride

PolystyrenePolypropylene

NylonABS

Cellulose AcetateAcrylicElastomers

Epoxy ResinPolyester Resin

Glass Reinforced PlasticCarbon Fibre Plastics

Melamine Formaldehyde

Thermosetting Plastics

7/31/2019 Plastics and Their Uses Higher2

3/18

High Density Polythene

Properties:

Tough, Feels Waxy,Resistant to chemicals.

2HDPE

HDPE is used for Buckets,Basins, Bottles, Containersand is extensively used inboth Blow Moulding andInjection Moulding processes

Back

7/31/2019 Plastics and Their Uses Higher2

4/18

Low Density Polythene

Properties:

Soft, Flexible goodelectrical insulator.

Most LDPE application isfilm based. Industry usesalso include wire and cablecoating, injection andBlowmolding. is used forPlastic bags, Bottles

4LDPE

Back

7/31/2019 Plastics and Their Uses Higher2

5/18

Polyvinyl Chloride

Properties:

Rigid, Weather resistant.

3PVC

PVC is used for Gutters,Window frames & Drainpipes.

It is often used in theExtrusion process.

Back

7/31/2019 Plastics and Their Uses Higher2

6/18

Polystyrene

Properties:

Soft, Lightweight, Good

insulator

Polystyrene is used extensivelyin the packaging industry. It isalso used to insulate buildings

6PS

Back

7/31/2019 Plastics and Their Uses Higher2

7/18

Nylon

Properties:

Hard, tough, rigid. Self-lubricating.

Resistant to petrochemicals.

Nylon is used for Gear wheels,Bearings, Curtain railspackaging, film, clothing,

7Other

Back

7/31/2019 Plastics and Their Uses Higher2

8/18

Cellulose Acetate

Properties: Hard, tough, flexible

Cellulose Acetate is one of theolder plastics and is used forfilm making & Packaging

7Other

Back

7/31/2019 Plastics and Their Uses Higher2

9/18

Acrylic

Properties:

Stiff, Hard, Brittle, Scratches

easily

Acrylic is used for Baths, Signs,

Lighting, Windows (Perspex)display stands

7Other

Back

7/31/2019 Plastics and Their Uses Higher2

10/18

Polypropylene

Properties:

Rigid, Good fatigue resistance, Good chemical resistance

Polypropylene is one of themore flexible plastics and isused for Plastic hinges,Crates, Rope & Yarn

5PP

Back

7/31/2019 Plastics and Their Uses Higher2

11/18

Acrylonitrile Butadiene Styrene

Properties:

Strong and Tough. Impact resistant, Scratch resistant, Chemical

resistant. Comes in a wide range of colours.

ABS is used extensively forinjection molding, Typicalproducts would be Carbumpers, Kitchen ware,Cases, helmets etc

5PP

Back

7/31/2019 Plastics and Their Uses Higher2

12/18

Epoxy Resin

Properties:

Epoxy Resin is generally used

as an adhesive of as a liquidfor casting

Strong (when reinforced), Clear

Back

7/31/2019 Plastics and Their Uses Higher2

13/18

Melamine Formaldehyde

Properties:

Melamine Formaldehydecommonly known as Formicais a composite material madefrom resin and layers ofpaper, Commonly used forkitchen worktops

Clarity, Stability to heat, light, chemicals, abrasion and fire

Back

B k

7/31/2019 Plastics and Their Uses Higher2

14/18

Polyester Resin

Properties:

Polyester Resin is primarilyused with Glassfiber to formGRP however it can be usedon its own for casting andembedding

Brittle, Clear

Back

B k

7/31/2019 Plastics and Their Uses Higher2

15/18

Glass Reinforced Plastic

Properties:

Glass Reinforced Plastic (GRP) is a

composite material made from Resin andGlass fiber sheet. This combinationproduces a lightweight yet extremelystrong material and is used everywherefrom Speed boat hulls to aircraft

Very Strong, Lightweight

Back

B k

7/31/2019 Plastics and Their Uses Higher2

16/18

Carbon Fibre Plastics

Properties:

Carbon Fibre Plastics have an extremely

strong strength to weight ratio and areoften used for Sports Car bodywork,High end cycles, fishing rods etc

Very Strong, Lightweight, flexible

Back

B k

7/31/2019 Plastics and Their Uses Higher2

17/18

Elastomers

Properties:

Elastomers are plastics with elasticproperties, most ate capable ofconsiderable deformation and will returnto their original shape. Uses range fromwaterproof seals to foam padding

Flexible, Waterproof

Back

7/31/2019 Plastics and Their Uses Higher2

18/18

The End