Required thermo polymers

Question 1

What is the surface characteristic of Acrylic (PMMA)?

Answer 1

Acrylic (PMMA) has a hard, shiny and flat surface

Acrylic (PMMA) is known for its aesthetic appeal but is prone to scratching.

Question 2

What types of transparency can Acrylic (PMMA) have?

Answer 2

Acrylic (PMMA) can be transparent, translucent or opaque

This versatility makes it suitable for various applications.

Question 3

List three common uses of Acrylic (PMMA).

Answer 3

• Illuminated shop signs
• Bath tubs
• Shower trays

These applications leverage its aesthetic and functional properties.

Question 4

What are the key characteristics of High-impact polystyrene (HIPS)?

Answer 4

HIPS is tough, easily moulded and durable

These features contribute to its widespread use in manufacturing.

Question 5

List three common uses of High-impact polystyrene (HIPS).

Answer 5

• Yoghurt pots
• Children’s toys
• Fridge liners

HIPS is favored in these items due to its durability and ease of molding.

Question 6

What are the properties of High-density polythene (HDPE)?

Answer 6

HDPE is hard, stiff and resistant to chemicals

These properties make HDPE suitable for various industrial applications.

Question 7

What is Polypropylene (PP)?

Answer 7

A tough and durable plastic with good heat and chemical resistance.

Used for children’s toys, DVD/CD cases, and medical equipment.

Question 8

What are the key properties of Polyvinyl chloride (PVC)?

Answer 8

Hard and tough, with good chemical and weather resistance, and low cost due to high-volume production.

Commonly used for pipes, gutters, and window frames.

Question 9

What is Polyethylene terephthalate (PET) known for?

Answer 9

Tough, durable, food safe, and easily moulded.

Primarily used for drinks bottles and food packaging.

Question 10

Fill in the blank: Polypropylene (PP) is used for _______.

Answer 10

children’s toys, DVD/CD cases, medical equipment

Question 11

True or False: Polyvinyl chloride (PVC) is known for its high cost.

Answer 11

False

Question 12

List three applications of Polyethylene terephthalate (PET).

Answer 12

• Drinks bottles
• Food packaging

Question 13

What type of resistance does Polypropylene (PP) have?

Answer 13

Good heat and chemical resistance.

This makes it suitable for various applications.

Question 14

Fill in the blank: Polyvinyl chloride (PVC) is commonly used for _______.

Answer 14

pipes, gutters, window frames