Plastics - thermosetting Flashcards
1
Q
What are the advantages of Epoxy Resin?
A
- Affordable
- Heat resistant
- Hard
- Strong
- Lightweight
- durable
2
Q
What are the disadvantages of Epoxy Resin?
A
- Not recyclable
- takes a long time to cure
- Traps dust
3
Q
What are the advantages of Melamine formaldehyde?
A
- Stain-resistant
- Chemical Resistance
- Good colour retention
- Durable
- Hard
- Fire and Heat resistance
4
Q
What are the disadvantages of Melamine formaldehyde?
A
- Expensive
- Can cause environmental problems and serious effects on human health
5
Q
What are the advantages of Urea Formaldehyde?
A
- Strong, hard,
- Heat resistant
- Opaque
- tough
- self-extinguishing,
- free from taint and odour, wide colour range
- resistant to detergents and dry cleaning solvents.
6
Q
What are the disadvantages of Urea Formaldehyde?
A
- Looses colour retention at high temperatures
- Can cause environmental problems and serious effects on human health
- Brittle
- Can emit toxic vapours during
manufacturing process
7
Q
What are the advantages of polyester resin?
A
- good electrical insulator
- heat resistant
8
Q
What are the disadvantages of polyester resin?
A
- Brittle
- Can crack
9
Q
What are the advantages of Elastane (spandex/lycra)?
A
Lightweight and comfortable to
wear, resistant to perspiration, has great
elasticity, and is durable and strong.
10
Q
What are the disadvantages of Elastane (spandex/lycra)?
A
Sticks to your body, doesn’t
allow your skin to breathe easily, and is sensitive
to heat.
