Question 5
(a) List three constituents of paint.
(b) State two causes of spray fog.
(c) With the aid of a sketch, show:
(i) correct spray pattern;
(ii) heavy centred pattern.
Observation
(a) Three Constituents of Paint
- Pigment;
- Binder;
- Solvent (thinner) and
- Additives.
(b) Two Causes of Spray Fog
- Over atomization of the paint
- Too thin a paint
- Wrong use of spray gun
(c) The Sketches of Correct and Heavy-Centred Spray Pattern
