Adhesives

Question 1

Polyvinyl acetate (PVA)

Answer 1

• bonds wood with wood based materials

Question 2

Contact adhesive

Answer 2

• used for bonding large areas such as sheet material
  1) the two surfaces are applied in this until they feel tacky
  2) They are then put together, adhesion is instant

Question 3

Solvent Cement

Answer 3

• used to join polymers like acrylic, ABS and PVC

- softens the surface of the polymers allowing them to be fused together

Question 4

Epoxy Resin

Answer 4

• comes in two parts, resin and hardener
• used to join different maters e.g; timber to metal, metal to polymer
• Equal amounts of resin and hardener are mixed to form the adhesice