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Description
Flashcards by kirstybaker8, updated more than 1 year ago
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Created by kirstybaker8
over 10 years ago
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| Question | Answer |
| definition of thermo plastics | a type of polymer tgat can be re heated re moulded. |
| definition of thermo set | once heated they are chemically changed. caysing them to be permentaly rigid. |
| ABS | high impact strength tough scratcg resistant light weight durable |
| CA (cellous acetate) | tough rigid lightweight transparent non flammable |
| nylon | hard tough resistant to wear low friction |
| PMMA (acrylic) | food safe tough hard durable easily machined |
| PP | lightweight food safe impact resistant chem resistant |
| HIPS | imapct resistant strength stiff light weight |
| PS | light weight rigid colourless low impact strength |
| expanded polysterene | floats good sound heat insulator lightweight low strength |
| LDPE | lightweight flexible chemical resistant |
| HDPE | high density stiff chem resistant |
| uPVC | chem resistant weather resistant rigid hard tough light weight can be coloured |
| PVC | chem resistant weather resistant rigid hard tough can be coloured |
| PET | chemical resistant food safe colorless |
| PC | expensive chem resistant tough hard heat resistant |
| epoxy resins | can be used with GRP chem resistant wear resistant |
| melamine formaldehyde | rigid strong hard scratch resistant can be coloured |
| polyester resins | rigid brittle heat resistant chem resistant |
| Urea formaldehyde | rigid hard strong brittle heat resistant electrical insulator |
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