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GCSE DT > Thermoforming Polymers > Flashcards

Thermoforming Polymers Flashcards

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1
Q

Thermoforming plastics (2)

A

. Can be recycled

. It can be melted again and again

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2
Q

Properties of high impact polystyrene (HIPS)

A 
. Easy to machine & fabricate
. Can be painted
. Easily mouldable
. Good gloss
. Low volatility
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3
Q

Common uses of high impact polystyrene (HIPS)

A

. Consumer products e.g TV equipment parts, toy instrument panels

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4
Q

Properties of high density polyethylene (HDPE)

A

. Softens at 120°c

. Strong

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5
Q

Common uses of high density polyethylene (HDPE)

A

. Bowls
. Buckets
. Milk crates

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6
Q

Properties of Acrylic (PMMA)

A

. Can be transparent or coloured with pigments
. Hard wearing
. Shatterproof

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7
Q

Common uses of Acrylic (PMMA)

A

. Plastic window
. Bath tubs
. Display signs

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8
Q

Properties of Polyvinyl chloride (PVC)

A

Stiff and hard wearing

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9
Q

Common uses if Polyvinyl Chloride (PVC)

A

. Coverings for electric cables
. Floor and wall coverings
. Packaging

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10
Q

Properties of Polypropylene (PP)

A 
. Low density
. High stiffness
. Heat resistance
. Good transparency
. Stretchability 
. Good impact/rigidity balance
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11
Q

Common uses of Polypropylene (PP)

A

. Textiles
. Ropes
. Carpets

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12
Q

Properties of polyethylene terephthalate (PET)

A

. Hard
. Stiff
. Strong
. Dimensionally stable material that absorbs very little water

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13
Q

Common uses of polyethylene terephthalate (PET)

A

. Fibres for clothing

. Containers

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GCSE DT (10 decks)

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