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15
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Name one use of calendering
Counter tops and cupboards
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15
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Injection molding introduces melted thermoplastics into the mold. Name one example.
Household containers, toys, certain parts of cars or planes
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15
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Name one use of vacuum forming
ice trays, plastic bathtubs, car dashboards
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15
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What is an example of polyurethane?
sponges, foam, glue, varnish, transmission belts, frictions wheels, insulators
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15
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Name an example of PP (Polypropylene)
Bottles, bumpers, household appliances, ropes
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monster
Reset all scores!
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rocket
Go to first place!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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15
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Name a property of PET
Rigid, transparent
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15
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Kitchen countertops, dishes, and food containers are made of what type of plastic?
Melamine
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lifesaver
Give 15 points!
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fairy
Take points!
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25
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shark
Other team loses 20 points!
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banana
Go to last place!
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15
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Name a property of PP (Polypropylene)
Flexible, resistant to chemicals, hard surface
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15
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Name an example of hard polystyrene (PS) OR expanded polystyrene (PS)
transparent films, dairy product containers OR Packaging, insulations
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15
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Compression molding heats and presses plastic into a mold. Name one example.
Outer castings
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15
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Name a property of HDPE OR LDPE
rigid, resistant OR Soft, light, transparent
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15
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Name one step of vacuum forming
1. A sheet of thermoplastic material is placed over a mold 2. heated until soft 3. vacuum created for shape 4. sheet cooled and removed
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15
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What happens in calendering?
Thermoplastic materials are passed through rollers to make thin sheets
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heart
Other team wins 20 points!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 10 points!
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