Thermosets

Question 1

What are the uses of urea formaldehyde ?
What are the pros and cons ?
What are its working properties ?

Answer 1

• Uses: electrical fitting and as an adhesive
• Pros: rigid, durable, heat resistant, good insulator
• Cons: brittle and available in limited colours
• Properties: stiff, hard, strong, brittle, good electrical insulator

Question 2

What are the uses of melamine formaldehyde ?
What are the pros and cons ?
What are the working properties ?

Answer 2

• Uses: tableware and bottle caps
• Pros: durable, scratch resistant, hard, opaque and food safe
• Cons: not microwave safe and available in limited colours
• Properties: stuff, hard, strong, resists some chemicals and stains

Question 3

What are the uses of epoxy resin ?
What are the pros and cons ?
What are the working properties ?

Answer 3

• Uses: used as a glue, racing car body parts
• Pros: high strength, good chemical resistance and can be reinforced
• Cons: expensive
• Properties: good electrical insulator, hard, brittle unless reinforced, resists chemicals well