UVP
First, product performance
Ultraviolet Absorbent UVP is an efficient UV absorber that strongly absorbs UV light at 270-400 nm with good chemical stability and low volatility.
Second, the scope of application
UV absorbers UVP used in polyester, epoxy cellulose acetate, polyvinyl chloride, polypropylene clear resin, but also for polystyrene, plexiglass and so on. Used in thin products in the general amount of 0.1-0.5%, thick products 0.05-0.2%
Third, the quality standards
Appearance: white or light yellow crystalline powder
Content: ≥99% (HPLC)
Melting point: 128-132 ° C
Ash content: ≤0.2%
Volatile: ≤0.5%
Light transmittance: 450nm ≥ 97%
500 nm ≧ 98%
Fourth, storage methods
UVP UVP non-toxic, non-flammable, non-corrosive, good storage stability