thermoplastics

Question 1

What are the properties of Acrylic (PMMA)?

Answer 1

Hard, clear, scratch-resistant

Brittle, cracks under impact. Uses: Signs, displays, car lights.

Question 2

What are the properties and uses of Polyethylene (HDPE)?

Answer 2

HDPE: Hard, strong, chemical-resistant

Uses: Buckets, pipes, bottles.

Question 3

What are the properties and uses of Polyethylene (LDPE)?

Answer 3

LDPE: Flexible, lightweight

Uses: Plastic bags, film.

Question 4

What are the properties of Polypropylene (PP)?

Answer 4

Tough, lightweight, chemical-resistant

Weak UV resistance. Uses: Food containers, hinges, toys.

Question 5

What are the properties of Polystyrene (PS)?

Answer 5

Lightweight, easy to shape

Brittle. Uses: Packaging, disposable cutlery.

Question 6

What are the properties of Polyvinyl Chloride (PVC)?

Answer 6

Durable, weatherproof, good insulator

Brittle in cold, toxic fumes when burnt. Uses: Pipes, window frames, cables.

Question 7

What are the properties of Acrylonitrile Butadiene Styrene (ABS)?

Answer 7

Tough, impact-resistant, glossy

Expensive. Uses: LEGO, casings, helmets.

Question 8

What are the properties of Nylon (Polyamide)?

Answer 8

Strong, low friction, wear-resistant

Absorbs water. Uses: Gears, clothing, zips.

Question 9

What are the properties of Polycarbonate (PC)?

Answer 9

Tough, transparent, impact-resistant

Expensive. Uses: Safety glasses, riot shields.