
Cratering
When small depressions in a finish develop, it is termed Cratering. These small depressions are referred to as fish-eye.
Possible Causes |
Solutions |
Contamination of Silicone, Wax or Oil |
• Find the source of contamination and eliminate it. • Sanding aid on belts may contain silicone, lubricants, oils or greases for machines, belt-dressings, lubricating greases and oils, spray equipment, hand creams or metal and wood polishes can be possible sources of contamination. • Find their substitutes and eliminate the enlisted sources. • Use anti-cratering additives. • Note that silicone will continue to cause contamination of equipment. Hence, the need for higher number of additives. |