| 6. Coating Principles | |
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6.9 Glossary of Special Terms |
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Following is a glossary of special terms normally used in the context of paints and coatings.
| Pot life |
It is the length of time that a paint can be used for application. |
| Flash point |
It is a measure of the flammability of its vapor on application o external flame. |
| Non volatile matter |
The residue left after a product is heated at an elevated temperature for a definite period under test conditions. |
| Hiding power |
It is the ability of a paint to hide a surface over which it has been applied. |
| Gloss |
The mode of appearance by which the reflected highlights of objects are perceived as super-imposed on the surface due to directionally selective property. |
| Bleeding |
Discoloration caused by migration of compound from the underlying film. |
| Sagging |
It is the downward movement of a paint film that occurs between the time of application and setting. |
| Curing |
The process of condensation of polymerization. |
| Gelling |
Deterioration of a paint. |
| Thixotropy |
The property of a paint whereby the consistency is reduced by brushing or stirring. |
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