Quality-controlling technology of coating appearance
Key items for control
Item | Longwave | Shortwave | DOI | Gloss | Haze |
---|---|---|---|---|---|
Flow properties of paint | Texture of steel sheet | Texture of steel sheet | Paint | Paint |
The appearance quality of coating can be controlled by some indexes characterizing the texture of steel sheet, for example, Ra, Pc and Wca and by the way of dull finishing.