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2-(5-Chloro-2H-benzotriazole-2-yl)-6-(1,1-di-methylethyl)-4-methylphenol

  • Siwin-UA326
  • Siwin
  • Siwin-UA326
  • 3896-11-5
Quantity:

Siwin-UA326

Ultraviolet Absorber


UV Absorber 326 is a strong absorber of ultraviolet radiation in the 300-400nm region. It has a low volatility at high temperatures and high resistance to thermal degradation and can therefore be used without significant loss or decomposition in the polyolefin compounding and molding processes.


Typical Physical Properties  

Chemical Name:2-(5-Chloro-2H-benzotriazole-2-yl)-6-(1,1-di-methylethyl)-4-methylphenol

Cas No.:3896-11-5

Appearance

Light yellow powder

Purity

≥99%

Light transmittance

≥93% (460nm) ≥95% (500nm)

Molecular weight

315.8 g/mol

Melting point

137-142℃

Volatiles

≤0.5%

Ash

≤0.1%


Applications

The product is mainly used for polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin etc. It can be used in combination with phenolic & phosphite antioxidants, and HALS to optimize performance in outdoor use.


Packaging and Storage

Package: 25kg carton inner with plastic bag or as customer`s requirement.

Storage: Keep container tightly closed in a dry and well-ventilated place.


The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.

All safety information is provided in the Safety Data Sheet.


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