high quality UV Absorber - UV-327

UV Absorber -- UV-327
Chemical name 2-(2'- Hydroxy -3',5'- Di-tert-butyl phenyl)-5- Chloro-benzotriazole

UV Absorber -- UV-327
Chemical name   2-(2'- Hydroxy -3',5'- Di-tert-butyl phenyl)-5- Chloro-benzotriazole
English name:Plastic additive-UV absorbent & light stabilizer UV-327
CAS: 3864-99-1
Product Specifications:
Appearance: pale yellow powder
Purity:  ≥99% (HPLC)
Melting point: 154-157°C
Volatile: ≤0.3%
Transmittance: 460nm≥98% 500nm≥99%
Charactristic:UV-327: can be dissolved in benzene, toluene, styrene and other organic solvents and monomers, insoluble in water, with good compatibility to a variety of resin, It is not sensitive to metal ions and will not turn yellow in alkaline conditions with less heat volatile.It can effectively absorb the UV at the wavelength of 270-380 nm with synergistic effect to antioxidant
This product is an internationally recognized high security plastic additive with low toxicity. The dosage is 0.1-0.3%.