click below
click below
Normal Size Small Size show me how
Ch 18 #1-18
Paint problems/ final detailing
| Question | Answer |
|---|---|
| Surface roughness | caused by improper mixing or application (spraying) |
| Surface waviness | caused from improper sanding or blocking of plastic filler or primer |
| Bleeding | the dye of an old finish/color comes to the surface after a new finish has been sprayed, usually reds |
| Blistering | usually caused by corrosion under the surface |
| Blushing | a problem that makes the finish turn milky |
| Dirt in finish | foreign particles dried in the paint film |
| Fisheyes | separation of the wet film being sprayed |
| Mottling | streaking or blotching of the color, usually with metallic finishes, caused by heavier film thickness or excessive wetting |
| Orange peel | paint roughness that resembles the skin of an orange |
| Peeling | caused by improper surface sanding or scuffing |
| Pin holes | air bubbles that rose to the surface of body plastic filler |
| Plastic bleed | through |
| Corrosion under finish | will cause the finish to blister or peel |
| Runs | when gravity produces a mass slippage of an overwet, thick film |
| Sag | a partial slipping down of the surface film created by film that is too wet and heavy |
| Undercoat show through | the color of the undercoat is seen through the topcoat |
| Water spotting | dulling of gloss in spots do to spots of water drying on a finish that did not thoroughly dry |
| Wet spots | a finish problem seen as off colored and or slow drying spots of various sizes |