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Wood coating detection methods and standards

 Last Update: 2020-12-18
 Source: Internet
 Author: User

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Wood coatings are divided into three main categories:
wood primers: polyurethane wood paint, unsaturated polyester wood paint, water-based wood paint, etc.
varnishes: ester varnish, phenolic varnish, alcoholic varnish, nitro varnish, perchloroethylene varnish, etc.
magnetic paint: all kinds of phenolic magnetic paint, all kinds of aleate magnetic paint, all kinds of nitro external magnetic paint, all kinds of perchloroethylene magnetic paint, etc.
wood coating detection items are:
environmental performance: benzene, toluene, xylene content, free TDI (toluene isocyanate) content, soluble heavy metal content, VOC content, chloroform content, formaldehyde content, etc.
basic performance: appearance, viscosity, density, fineness, flash point, outflow time, non-volatile content, paint-based acid value, paint-based saponification value, Paint-based softening point, paint-based glass transformation temperature, storage stability, etc.
construction performance: construction, coating volume, drying time, re-painting time, filling, polishing, back stickiness, wash resistance, stain resistance, anti-flow hanging, anti-freeze melt cycle
paint film reliability: liquid-resistant media performance (water, acid, alkali, solvent, oil), moisture-resistant, heat-resistant, moisture-resistant, neutral-resistant salt spray, light aging test (ultraviolet, xenon, carbon arc lamp, etc.), mold-resistant
paint film performance: Coating appearance, color, gloss, thickness, hardness, adhesion, transparency, cover, yellowing resistance, scratch resistance, impact resistance, wear resistance, bending test, flexibility, Buckholz indentation test, scratch test, palletizing test, cup Sudden test and other
wood coating testing standards are:
GB/T 23999 interior decoration water-based wood coating
GB/T 23999 interior decoration water-based wood coating
GB/T 239 95 interior decoration with solvent-based alcoholate wood coating
GB/T 23998 interior decoration with solvent-based nitro wood coating
GB/T 23997 interior decoration with solvent-based polyurethane wood coating
GB 24410 Interior decoration materials Water-based wood coating hazardous substances limit
GB 18581 interior decoration material solvent-based wood coating harmful substances limit
HG/T 3655 ultraviolet light (UV) cured wood paint

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