Erstellt von kirstybaker8
vor mehr als 8 Jahre
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Frage | Antworten |
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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