plastics

Question 1

what are the 2 types of plastic

Answer 1

thermoplastic
thermosetting

Question 2

examples of thermoplastics

Answer 2

ABS
acrylic
polypropylene
polystyrene

Question 3

examples of thermosetting plastics

Answer 3

urea formaldehyde
melamine formaldehyde

Question 4

the properties of ABS

Answer 4

strong, light, durable, scratch and chemical resistance

Question 5

properties of acrylic

Answer 5

stiff, hard, durable, easily scratched, brittle, coloured or clear.

Question 6

properties of polypropylene

Answer 6

tough, semi rigid, chemical and electrical resistance, can be formed into hinges

Question 7

properties of polystyrene

Answer 7

light, stiff, water resistant, thermal insulator

Question 8

items that use ABS

Answer 8

toys, kitchenware, furniture, crash helmets, flight cases

Question 9

items that use Acrylic

Answer 9

glass lenses, signs, cases, jewellery, glazing

Question 10

items that use polypropylene

Answer 10

shampoo lids, bottle caps, cases

Question 11

items that use polystyrene

Answer 11

food packaging, DVD cases, protective packaging

Question 12

properties of urea formaldehyde

Answer 12

stiff, strong, hard, brittle, excellent electrical insulator.

Question 13

properties of melamine formaldehyde

Answer 13

waterproof, hard, chemical and scratch resistant

Question 14

things that use urea formaldehyde

Answer 14

electrical fittings ( sockets and plugs), handles, door knobs

Question 15

things that use melamine formaldehyde

Answer 15

laminated worktops, chopping boards, plastic cups