Ch. 27 Coating Types, Failure Modes, Inspection Criteria

Question 1

What are the (2) categories of curing and thieir definitions?

Answer 1

Convertible curing: Some chemical change during cure cycle

Non-Convertible curing: No chemical change during curing cycle.

Question 2

List some examples of non-convertible coatings

Answer 2

Chlorinated rubber, Vinyl, Acrylic, Bituminous

Question 3

What is a polymerization-cured coating

Answer 3

Two parts mixed together just prior to use

Question 4

List some examples of convertible-cured coatings

Answer 4

Epoxy
Polyureas
Polysiloxanes
Water-Borne Inorganic Zinc

Question 5

When using a solvent-borne inorganic zinc, what would be one common reasons for a failure to cure.

Answer 5

Overcoating too soon!