Plastic Forming Tech and Review | Baamboozle - Baamboozle

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How many times can thermosetting plastics be heated?

Once

What happens in calendering?

Thermoplastic materials are passed through rollers to make thin sheets

Name a property of hard polystyrene (PS) OR expanded polystyrene (PS)

Transparent, can be colored OR Porous, soft

Injection molding introduces melted thermoplastics into the mold. Name one example.

Household containers, toys, certain parts of cars or planes

Compression molding heats and presses plastic into a mold. Name one example.

Outer castings

Electrical plugs are made of what type of plastic?

Bakelite

What is an example of polyurethane?

sponges, foam, glue, varnish, transmission belts, frictions wheels, insulators

Name an example of hard polystyrene (PS) OR expanded polystyrene (PS)

transparent films, dairy product containers OR Packaging, insulations

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

Name a property of HDPE OR LDPE

rigid, resistant OR Soft, light, transparent

Name one step of extrusion

1 Thermal plastic material is added to a machine where they melt and form liquid. 2. the plastic is shaped 3. put in cool water to harden

Name an example of PP (Polypropylene)

Bottles, bumpers, household appliances, ropes

Name one use of extrusion

water pipes, insulation of cables, plastic films

Kitchen countertops, dishes, and food containers are made of what type of plastic?

Melamine

Name one elastomer

Natural rubber, synthetic rubber, neoprene

Name a property of PP (Polypropylene)

Flexible, resistant to chemicals, hard surface

Name a property of PET

Rigid, transparent

Name an example of PET

Transparent bottles, water, oil, cosmetics

Blow molding uses air to mold plastic. Name one example.

bottles, toys, hollow objects

Name one plastic forming technique

Extrusion, calendering, vacuum forming, molding

Name a property of PVC

strong or waterproof

Name one use of calendering

Counter tops and cupboards

Name one use of vacuum forming

ice trays, plastic bathtubs, car dashboards

Name an example of HDPE OR LDPE

Buckets, containers, bottles OR Plastic bags