Chapter 15 - Coating Application

Question 1

Low temperatures concerns during coating application includes?

Answer 1

Slow the curing of chemically curing coating
Will increase the viscosity of material
Some coating may use special cure

Question 2

High temperatures concerns during coating application include?

Answer 2

Can cause the solvent to evaporate too fast
Will reduce the pot life
Decrease the viscosity of many two-component materials

Question 3

High humidity during coating application

Answer 3

Slows the evaporation of the solvent
Can leave moisture on the surface of the coating
May effect the gloss or colour
May cause amine blush( must be removed prior to top coating)

Question 4

Coating may be applied by the following methods?

Answer 4

Roller
Brush
Airless spray ( including plural components)
Conventional spray
High volume low pressure
Air assisted airless

Question 5

One guide for enclosures for coating projects is?

Answer 5

SSPC Technology Guide No.12

SSPC Technology update No. 6 guide for containing surface preparation debris generated during paint removal operations.

Question 6

Airless spray utilizes the difference between two pressures to atomize coating what are they?

Answer 6

System fluid pressure and atmospheric pressure