Main Causes for Deterioration of Paint

1. Water. (Dissolution.)

2. Action of light and heat. (Chemical and

physical change.)

3. Chemical action between pigment and

binder. (Disintegration.)

4. Abrasion or mechanical injury.

(Motion.)

5. Action of deleterious gases. (Foul air.)

Why a Worthy Metal Coating Sometimes Fails

1. Because of improper application.

(Incompetent or careless users.)

2. Because of insufficient quantity on a

given surface; not renewed at right

time (Perishes quickly.)

3. Because of an unstable foundation to