Clean And Protect Plastic And Composite Materials

Question 1

Explain the methods used to remove finishes from a composite material.

Answer 1

By light sanding or abrasive blast with plastic media.

Question 2

What is used to clean a composite material prior to repair?

Answer 2

Acetone or (MEK) is commonly used. It is important to verify the solvent residue is compatible with the resin system.

Question 3

What is the proper way to clean plastics?

Answer 3

Flush the plastic with clean water. Remove dirt by hand. Plastics are easily scratched and usage of rags is not recommended.

Question 4

What is the primary purpose of a finish on a composite material?

Answer 4

To protect the composite structure from ultraviolet degradation.