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2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl) phenol

  • Siwin-UA234
  • Siwin
  • Siwin-UA234
  • 70321-86-7
Quantity:

Siwin-UA234

Ultraviolet Absorber


UV Absorber 234 is a strong ultraviolet absorber. It has a low volatility at high temperatures and good compatibility with polymers. UA 234 is highly effective for polymers usually processed at high temperatures, such as films and fiber.


Typical Physical Properties  

Chemical Name: 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl) phenol

CAS NO.:70321-86-7

Appearance

Light yellow powder

Purity

≥99%

Light transmittance

≥97% 460nm≥98% 500nm

Melting point

137-141oC

Volatiles

≤0.3%

Ash

≤0.1%


Applications

The product is mainly used for polycarbonate, polyesters, polyacetal, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers. Protect materials from ultraviolet radiation.


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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