產品資訊 - Light stabilizer->industrial additives

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Sinobase Polymers Limited

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Light stabilizer

產品分類 :

化學->工業助劑

產品規格

Model No:	326

Country	CN
Payment Term	L/C at sight or T/T in advance

產品描述

UV 326

Chemical name:2'-(2'-Hydroxy-3'-tert-buty-5'-methyl-phenyl)-5-chlorobenzotriazole
Molecular formula:C17H18N3OCL

CAS No. 3896-11-5

Properties:
UV-326 is a important ultraviolet absorber of bonzotriazole series, which is stable, nontoxic, higher absorbency for ultraviolet ray.

Specifications:

Appearance
Light yellow powder

Melting point,oC
138-141

Volatile matter,%
0.5max

Ash content,%
0.05max

Transmissivity
460nm 97%min, 500nm 98%min

Purity,%
99min

Use: UV 326 is especially suited for polyolefin and cold cured polyesters. 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 polyolefin compounding and molding processes. In the use for the UV protection of polyester, UV 326 does not form colored complexes with the metallic salts used for the curing process of these resin. It is also used for photosensitive materials and coatings and so on.

Packing: in 25 kg net poly-ply paper bags or fiberboard drum.

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