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IdentIfyIng PaInt defects
SOlVENT pOp
Description
Open blisters on the finished surface
causes
• Too much air flow over repair area
• Solvent trapped in the film during the curing process forming
bubbles in the paint film
• High film builds
• Using too fast of a reducer and/or hardener for the spray conditions
• Bake temperature too high or IR lamp too close to the surface
prevention
• Use appropriate reducer and/or hardener for spray booth
conditions per product data sheets
• Apply recommended film builds per product data sheet
• Keep booth at recommended bake temperature and times
• Insure proper spray booth air flow
correcting
• Sand surface blisters smooths and refinish
• Severe cases must be sanded back to undercoat and refinished
