Ceramic Coating
A liquid protective coating, typically based on silica (SiO2) or related chemistry, that cures into a thin, hard, chemically resistant layer bonded to paint or other surfaces. It improves gloss, water behavior and ease of cleaning, but it is not scratch-proof or chip-proof.
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Chemical Decontamination
Removing bonded contaminants by dissolving or loosening them with chemistry, such as iron removers, tar removers and mineral removers, instead of rubbing them off. It is usually done before clay because it involves less mechanical contact.
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Chemical Resistance
A surface's ability to withstand contact with acids, alkalis, solvents and other chemicals without softening, staining or degrading. Cured ceramic coatings typically offer more chemical resistance than waxes or bare clear coat, but none are immune.
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Clay Bar
A pliable, slightly abrasive material that is glided over a lubricated surface to shear off bonded contamination that washing cannot remove. Clay leaves the paint smooth but can cause fine scratches, so it is used only when needed.
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Clay Lubricant
A slick liquid sprayed onto a panel while claying so the clay glides instead of grabbing. Insufficient lubrication is a major cause of fine scratches during claying.
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Clear Coat
The transparent top layer of most modern automotive paint systems. It provides gloss and UV protection for the color coat beneath. Most swirls, water-spot etching and polishing work happen within the clear coat.
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Compound
An abrasive product designed to remove deeper scratches, heavier swirls and etching. Compounds cut faster than polishes and usually need a finishing polish afterward to remove the haze they leave.
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Contact Wash
Any wash step in which a mitt, sponge or brush physically touches the paint. It removes bonded traffic film that rinsing and foam leave behind, but it is also the main source of wash-induced swirl marks.
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Curing
The chemical process by which a coating hardens and bonds after application. Many coatings feel dry within hours but take much longer to reach full hardness and chemical resistance, so early exposure to water and chemicals is restricted.
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