Ultraviolet Absorbent Uv 328 - China

Chemical Name : 2-(2H-benzotriazol-z-yl)- 4, 6-di-tert-pentylphenol


Chemical Formula: C22H29N3O

CAS NO.

：3896-11-5

Structural Formula: Main Indexes：Appearance: light yellow powder Content: ≥99% Melting Point: 79-87℃ Loss on Drying: ≤0.5% Ash Content: ≤0.1％ Light Transmittance 440nm≥97%；500nm≥98% Solution : It can dissolve in benzene, toluene, ethyl acetate and petroleum ether, slightly dissolve in ethanol and methyl alcohol, can not dissolve in water.

Characteristics and Uses：

It is a high performance Ultraviolet Absorber.

Its maximum ultraviolet absorption peak is 345nm, its light stability is similar to UV-326 and UV-327, but this product has good dissolubility with the resins.

Its heat volatility is low and its durability to washing is very good.

It is mainly used in polyethylene, polypropylene, polystyrene, polyvinyl chlornamee, polyester, epoxy resin, ABS resin and cellulosic resin, etc., about 1% of general consumption.

Has a fine light stability too in various kinds of coating.

Storing and Packing:

(1) UV-328 is nontoxic, uninflammable, unexplosive and incorrosive, has good storage stability.

(2) cardboard drum inner lining plastic bag, each drum 25kg net weig

Company Contact:

• Posted By: NANJING HUA LIM CO., LTD

• Phone: 86-15850726400

• Address: HUAFU GARDEN 1#, NANJING , JIANGSU , China

• Email:

• Website: http://WWW.HLMCHEM.COM

• Business Description: Nanjing Hua Lim Co., Ltd. is a joint-stock company integrating research, manufacture and trade.
  
  Working side by side with Nanjing University and Southeast University, Hua Lim mainly focuses on developing the market of additives for macromolecular polymer.
  
  In February of 2001, Hua Lim was authorized as a member of Plastics Additives Industry Association of China Engineering Plastics Industry Association, and was titled “Non-governmental Hi-tech Enterprise in Jiangsu”.
  
  Our company always aims to satisfy the demand of its customers with high quality services and honesty.