Plastics and Other Materials (Junior Cert Wood Technology): Flashcards

Soften with heat, harden when cooled; reshaped multiple times

Harden permanently with heat, cannot be reshaped

Clear, strong thermoplastic

Durable, tough thermosetting plastic

Acrylic (Perspex), polythene, polypropylene

Bakelite, epoxy resins, polyurethane

Yes, multiple times

No, cannot be reshaped once set

Windows & lenses (instead of glass)

Foam seating

Flexible, durable, resist moisture & pests

Plastics: high, wood: low

Plastics: high, wood: moderate

Become flexible/soft

Plastic bags