1763697
Description
Flashcards by sophie.lal, updated more than 1 year ago
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Created by sophie.lal
over 9 years ago
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| Question | Answer |
| Thermoplastics | A thermoplastic is a soft plastic that can be moulded, heated and then re-moulded over and over again. |
| Thermosetting plastics | A thermosetting plastic is a plastic that can be heated, then moulded but it can't be reshaped after. Once it's set, it holds its shape, and resists heat. |
| HDPE (High Density Polyethylene) | Translucent, rigid. Good for blow molding, products: bottles, cutting boards, trays. |
| LDPE (Low Density Polyethylene) | Very tough, low cost. Products: outdoor furniture, siding, floor tiles. |
| PVC (Polyvinyl chloride) | Comes in different colours, depends on chemical composition. Good with extrusion. Products: plumbing pipes and guttering, shower curtains, window frames. |
| Polystyrene | Tough, good heat resistance. Products: packaging foam, food containers, plastic tableware. |
| Acrylic | Comes in many colours, brittle. Products: lighting diffusers, medical/healthcare applications, optical applications. |
| ABS (Acrylonitrile Butadiene Styrene) | Impact resistant, quite stable. Can be blow moulded. Products: telephone bodies, safety helmets, car components. |
| PET (Polyethylene terephthalate) | Hard, strong. Is good for injection moulding. Products: bonnet parts, car components, door handles. |
| Polyester (fibres) | Light, crease resistant. Products: clothing, covers, outdoor appliances (sleeping bags). |
| Polypropylene | Tough, heat resistant. Good for blow moulding. Products: DVD cases, food packaging, bottles. |
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