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TD > plastics > Flashcards

plastics Flashcards

1
Q

what are thermoplastic

A

are plastics which can be heated and shaped multiple times

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2
Q

what are thermosetting

A

are plastics that can be heated and shaped only once

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3
Q

name the 5 types of thermoplastics

A

acrylic
rigid polystyrene
ABs
PVC
nylon

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4
Q

what type of plastic is acrylic

A

thermoplastics

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5
Q

what type of plastic is rigid polystyrene

A

thermoplastics

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6
Q

what type of plastic is ABs

A

thermoplastics

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7
Q

what type of plastic is PVC

A

thermoplastics

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8
Q

what type of plastic is nylon

A

thermoplastics

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9
Q

What are 3 properties of acrylic

A

Coloured or clean
Relatively hard and durable
Good electrical insulator

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10
Q

What are 3 properties of rigid polystyrene

A

Easy, to cut, join and Print
Food hygienic
Relatively tough and durable.

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11
Q

What are 3 properties of ABS

A

Very tough durable and hard
Easy to cut join and paint
Very good chemical resistance

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12
Q

What are 3 properties of pvc

A

Very Strong, tough, durable
Excellent electrical insulator
Excellent flame and chemical resistance

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13
Q

What are 3 properties of nylon

A

Very Strong
Good temperature resilience
Easily machined

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14
Q

uses of acrylic

A

signs
bathtubs
lighting

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15
Q

uses of rigid polystyrene

A

toys
cutlery
cups

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16
Q

uses of ABS

A

keyboards
office chairs
airplane trays

17
Q

uses of PVC

A

pipes
credit cards
clothing’s

18
Q

uses of nylon

A

gears
tyres
wheels

19
Q

name the 4 types of thermosetting plastics

A

melamine
polyester resin
epoxy resin
urea formaldehyde

20
Q

what type of plastic is melamine

A

thermosetting plastics

21
Q

what type of plastic is polyester resin

A

thermosetting plastics

22
Q

what type of plastic is epoxy resin

A

thermosetting plastics

23
Q

what type of plastic is urea formaldehyde

A

thermosetting plastics

24
Q

properties of melamine

A

strong, hard, stiff and reasonably tough
food hygienic
excellent insulator

25
Q

properties of polyester resin

A

strong, hard, stiff and fairly tough
good electrical insulator
good chemical resistance

26
Q

properties of epoxy resin

A

strong, hard, stiff and very tough
excellent adhesive properties
good chemical resistance

27
Q

properties of urea formaldehyde

A

strong, hard, stiff and fairly tough
good adhesive properties
good chemical resistance

28
Q

What are 3 uses of melamine

A

ashtray
flooring
office desks

29
Q

What are 3 uses of polyester resin

A

boats
canoes
suitcases

30
Q

uses of epoxy resin

A

adhesives
paints
electronic components

31
Q

uses of urea formaldehyde

A

door handle
adhesives
cookers knobs

TD (9 decks)

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