Adhesives

Question 1

What are the 4 main types of adhesives?

Answer 1

1. PVA (Polyvinyl acetate) - wood joints
2. Epoxy-resin - boats, aircraft, skis, golf clubs
3. contact adhesives - veneers
4. hot melt glue gun - model making

Question 2

What are advantages of PVA?

Answer 2

1. Can be used on cards and papers

2. Produces strong bond when joining wood

Question 3

What are disadvantages of PVA?

Answer 3

1. Can take up to 24 hours to bond wood

2. requires a clamp to hold the wood in position when gluing.

Question 4

What are advantages of Epoxy-resin?

Answer 4

1. very strong
2. Waterproof
3. heat and chemical resistant

Question 5

What are disadvantages of Epoxy-resin?

Answer 5

1. takes time to cure and harden

2. requires a resin and catalyst

Question 6

What is an advantage of Contact adhesives?

Answer 6

1. instant sticking

Question 7

What is a disadvantage of contact adhesives?

Answer 7

1. cannot be adjusted during joining process

Question 8

What are advantages of hot melt glue?

Answer 8

1. good bond for model making

2. relatively quick to harden and bond

Question 9

What is a disadvantage of hot melt glue?

Answer 9

1. saftey issues; glue gun can be hot and burn

Question 10

What is a adhesive?

Answer 10

An adhesive is any substance applied to the surfaces of materials that binds them together and resists separation.