Troubleshooting

Phenomenon Cracks or lines of various lengths and widths in the topcoat finish often resembling the cracking of dried mud. Cause A. Excessive film thickness of the undercoat and/or topcoat...

Phenomenon The paint film is soft to the touch, and will fingerprint or waterspot within hours/days after application. Cause A. Excessive film thickness. B. Low temperature and high humidity. C....

Phenomenon The product changed from liquid to semisolid and has very low fluidity. Cause A. Low stability of the resin component in the paint.(Long storage at high temperatures) B. Mixing...

Phenomenon Spotted or striped appearance in a metallic color. Cause A. Using the metallic paint with slow thinner or applying it too thick. B. Unskilled application technique of worker. C....

Phenomenon Circles with raised edges or whitish spots resembling water droplets appear on the surface of the paint film. Cause Getting wet or rained before the paint film thoroughly dried....

Phenomenon Temporarily or permanently, surface of the paint film loses gloss and becomes foggy or milky after spraying. Cause A. Fast drying solvent or unbalance of thinner could make moisture...

Phenomenon Swelling as bubbles or pimples in the film. Cause A. Applying over water, grease or oil. B. Rust on the substrate. C. Exposure to the high humid condition. Repair...

Phenomenon A loss of adhesion or separation of the paint film from the substrate. Cause A. Improper preparation of the substrate. (Remaining moisture or oil) B. Applying incompatible products together....

Phenomenon Discoloration in the topcoat. Cause A. Soluble dyes or pigments of undercoat are dissolved by the solvent of topcoat and rise to topcoat. (red or yellow) B. Tar on...

Phenomenon Mixed pigments are separated during drying and occur inequality of color. Cause Dispersibility of pigment, mixing property of resin and solubility of thinner. Repair Remove the damaged part and...

Phenomenon Sanding marks of the previous paint film appear on the new paint film after drying. Cause A. Improper preparation of the substrate. B. Sanding with too coarse sandpaper. C....

Phenomenon Dried film has surface like orange peel. Cause A. Too high air pressure or air blowing with spray gun before the film cured. B. Adding not enough thinner to...

Phenomenon Irregular wrinkles appear on the film surface. Cause A. Applying synthetic enamel too thick. B. Applying at high temperatures in high humid condition. C. Diluting synthetic enamel with lacquer...

Phenomenon Heavy pigments is settled at the bottom of container. (If the paint is stirred and mixing well, it is fine.) Cause A. Storing for long time or at high...

Phenomenon Irregular cracks like bird footprint appear on topcoat film during drying. Cause A. Applying at too cold temperatures. B. Solvent in topcoat infiltrates into the previous paint film during...

Phenomenon Small craters or circular openings appear on the film. Cause A. Applying on the grease, oil or wax. B. Water in the spray air. C. Applying near the place...

Phenomenon A layer appears on the surface in container. Cause A. Paint reacts with oxygen in the air and makes a dried layer on the surface. B. Small amount of...

Phenomenon Discoloration of the topcoat on the area repaired with polyester putty. Cause A. Polyester putty are not soluble in topcoat solvent and it makes boundary with the topcoat film....

Phenomenon Small holes appear on the film. Cause A. Solvent evaporates quickly and makes holes during drying. B. Application in hot and humid condition. C. Using improper thinner. D. Improper...

Phenomenon The paint film turns into yellow. Cause A. Using lacquer with nitrocotton(NC). B. Using yellowing type hardener for urethane. C. Long exposure to strong ultraviolet rays. Repair Clean with...

Phenomenon Film is partly sagged by irregular flows when applying an excessive amount of paint at once. Cause A. Diluting the paint too much. B. Using slow type solvent too...

Phenomenon Film loses its gloss and clarity during drying. Cause A. Polish with compound before the thinner evaporated B. Improper preparation of substrate. C. Using improper thinner. Repair A. Dry...