CAS:25973-55-1 BASF light stabilizer Tinuvin 328

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BASF Tinuvin 328

Synonym:
UV Absorber UV-328
Light Stabilizer UV-328
2-(2H-benzotriazol-2-yl)-4,6-di-tert-amylphenol
2-[2-Hydroxy-3,5-bis(1,1-dimethylpropylphenyl)]-2H-benzotriazole
2-(2-Hydroxy-3,5-di-pentylphenyl)benzotriazole
2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)benzotriazole
2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole
2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol
2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-phenol
2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole
Ultraviolet Absorber UV-328
UV-328

Countertype or Equivalent:
BASF light stabilizer Tinuvin 328
BASF Tinuvin 328
BASF Tinuvin 328

Specification:
Appearance: Light yellow powder/particle Content: ≥99%
Melting point: 79-87°C
Volatile matter: ≤0.5%
Ash: ≤0.1%
Transmittance:
460nm: ≥96%
500nm: ≥97%

Application:
This product is a high-efficiency UV absorber, the maximum UV absorption peak is 345nm, and the light stabilization effect is similar to UV-326 and UV-327, but this product has good compatibility with resin, low heat volatilization, and high washing resistance. For polyethylene, polypropylene, polystyrene, polyurethane, polyester, epoxy resin, ABS resin and cellulose resin, the general dosage is about 1%. It also has excellent light stabilization effect in various coatings. In outdoor products, it can be used together with phenolic antioxidants, phosphite antioxidants and hindered amine light stabilizers.

Packing:
Packing: Packed in cardboard drum lined with plastic bag, net weight 25kg
Storage conditions: This product has good storage stability. High temperature and humidity should be avoided during storage and transportation. It should be stored in a cool, dry and ventilated place to prevent moisture and heat.

Safety:
non-dangerous goods



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