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Flashcards in Thermo plastics Deck (21)
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1

Name the four generic properties of all thermoplastics.

They're remouldable, recyclable, self coloured and self finishing.

2

What should all thermo plastics display?

The recyclable logo to help separation for recycling.

3

What is ABS used for?

High quality toys, mobile phones and safety helmets.

4

What is PET used for?

Bottles and food containers.

5

What is acrylic/PMMA used for?

Car headlight lenses and shop signs.

6

What is polypropylene used for?

Hard plastic chairs.

7

What is HIPS used for?

Cheap toys.

8

What is expanded polystyrene used for?

Packaging and insulation.

9

What is LDPE used for?

Toothpaste tubes and carrier bags.

10

What is HDPE used for?

Washing up bowls, buckets and milk bottles.

11

What is nylon used for?

Clothes and bearings.

12

What is UPVC used for?

Window frames and gutters.

13

What is PVC used for?

Packaging, tape and hose pipes.

14

What is polystyrene used for?

Disposable food containers and yoghurt pots.

15

What is line bending?

Lying acrylic over a simple heating element until it's hot and then bending it over a mould or jig.

16

What is drape moulding?

Heating a thermoplastic in an oven until it's hot and then draping it over a basic wooden mould.

17

So do you believe in magic?

Boy you ought to know whatcha falling for.

18

What is injection moulding?

Plastic granules being taken on an Archimedean screw through heaters so it melts before being pushed into a mould with 2 or more parts.

19

What is blow moulding?

Placing a plastic tube in a hollow mould and having air blasted through the tube so it takes the shape of the mould.

20

What is extrusion?

The same as injection moulding except without an end to the mould.

21

What is rotational moulding?

Having melted plastic inside a hollow mould and having that mould rotate so that the plastic creates a hollow object such as a sphere.