Professional Automotive Painting Techniques
1.How to spray black metallic paint cleanly with minimal dust spots:
Preparation is crucial. First, use an air gun to thoroughly blow out all seams and edges, then blow over the entire surface. Even the masking paper or newspaper should be blown clean. Wipe the surface with a tack cloth, and before each spray session, blow the entire area again. Start by mixing a small amount of base coat very thinly and apply a light mist coat. Then, wipe with a tack cloth and blow again before proceeding with normal spraying. There’s no need for additional cleaning between coats—just blow the surface before each application. The result will be a perfectly clean finish.
2.How to make touch-up paint blends less noticeable:
After surface prep, don’t immediately sand with 2000-grit. First, polish the entire panel to remove water stains and contaminants, then degrease thoroughly to eliminate wax residue. Next, sand with 2000-grit, extending about 10 cm beyond the base coat spray area. When spraying the base coat, thin it slightly and keep the spray pattern tight. For the clear coat, mix it normally and use moderate air pressure. Don’t spray the clear coat too far—leave about 8 cm of the 2000-grit sanded area exposed for blending.
Then, mix blending solvent (1:1 ratio with clear coat) and spray it lightly over the remaining 8 cm transition zone, using lower pressure to avoid runs. Stay within this 8 cm area. Finally, spray 100% blending solvent over any overspray haze—two light coats will make the mist disappear as it dries. When polishing, only lightly sand the clear-coated area to remove dust nibs. The blended edge can be polished normally without extra attention. If done correctly, the repair will be invisible—even professionals won’t notice unless told.
3.How to reduce excessive orange peel in clear coat:
If a panel (like a door) has too much orange peel, don’t worry—there’s a fix. Add blending solvent to the clear coat at a 1:2 ratio (50% clear, 100% solvent). Spray it lightly without heavy overlap to avoid runs—just enough to restore gloss. Wait a moment, and you’ll see the texture shrink. If needed, apply a second coat, but wait between applications to prevent over-reduction, which can make the texture too fine and broken.
4.A trick for perfect primer sanding before metallic paint:
After spraying primer, don’t remove the masking paper right away. Let the primer dry, then identify any pinholes. Mix black metallic paint very thin and apply a single, even mist coat. Remove the masking and let it dry. When sanding, the black layer will act as a guide—once it’s fully removed, the primer will be perfectly smooth. Any remaining black spots indicate pinholes, which can then be filled with glazing putty. This method ensures no missed imperfections.
5.Tips for problematic pearl paints (red & blue pearls):
Red pearl has poor coverage, but here’s a solution: Mix 30% red pearl into the primer, creating a pink base. After sanding, the red pearl will cover much better. Another option is spraying over a pure white base (two coats of 1K white) or silver metallic, though white works better. Avoid silver basecoats—they can cause color shift due to metallic reflection.
Blue pearl follows similar principles. Always test on a scrap panel first to confirm color accuracy.
Professional Automotive Painting Techniques
1.How to spray black metallic paint cleanly with minimal dust spots:
Preparation is crucial. First, use an air gun to thoroughly blow out all seams and edges, then blow over the entire surface. Even the masking paper or newspaper should be blown clean. Wipe the surface with a tack cloth, and before each spray session, blow the entire area again. Start by mixing a small amount of base coat very thinly and apply a light mist coat. Then, wipe with a tack cloth and blow again before proceeding with normal spraying. There’s no need for additional cleaning between coats—just blow the surface before each application. The result will be a perfectly clean finish.
2.How to make touch-up paint blends less noticeable:
After surface prep, don’t immediately sand with 2000-grit. First, polish the entire panel to remove water stains and contaminants, then degrease thoroughly to eliminate wax residue. Next, sand with 2000-grit, extending about 10 cm beyond the base coat spray area. When spraying the base coat, thin it slightly and keep the spray pattern tight. For the clear coat, mix it normally and use moderate air pressure. Don’t spray the clear coat too far—leave about 8 cm of the 2000-grit sanded area exposed for blending.
Then, mix blending solvent (1:1 ratio with clear coat) and spray it lightly over the remaining 8 cm transition zone, using lower pressure to avoid runs. Stay within this 8 cm area. Finally, spray 100% blending solvent over any overspray haze—two light coats will make the mist disappear as it dries. When polishing, only lightly sand the clear-coated area to remove dust nibs. The blended edge can be polished normally without extra attention. If done correctly, the repair will be invisible—even professionals won’t notice unless told.
3.How to reduce excessive orange peel in clear coat:
If a panel (like a door) has too much orange peel, don’t worry—there’s a fix. Add blending solvent to the clear coat at a 1:2 ratio (50% clear, 100% solvent). Spray it lightly without heavy overlap to avoid runs—just enough to restore gloss. Wait a moment, and you’ll see the texture shrink. If needed, apply a second coat, but wait between applications to prevent over-reduction, which can make the texture too fine and broken.
4.A trick for perfect primer sanding before metallic paint:
After spraying primer, don’t remove the masking paper right away. Let the primer dry, then identify any pinholes. Mix black metallic paint very thin and apply a single, even mist coat. Remove the masking and let it dry. When sanding, the black layer will act as a guide—once it’s fully removed, the primer will be perfectly smooth. Any remaining black spots indicate pinholes, which can then be filled with glazing putty. This method ensures no missed imperfections.
5.Tips for problematic pearl paints (red & blue pearls):
Red pearl has poor coverage, but here’s a solution: Mix 30% red pearl into the primer, creating a pink base. After sanding, the red pearl will cover much better. Another option is spraying over a pure white base (two coats of 1K white) or silver metallic, though white works better. Avoid silver basecoats—they can cause color shift due to metallic reflection.
Blue pearl follows similar principles. Always test on a scrap panel first to confirm color accuracy.
العنوان
غوانغدونغ، الصين
الهاتف
86-+86-18948947297
البريد الإلكتروني
mr.peterliuqy@gmail.com
