UV Absorbers UV Resistance 329 Self-Produced Factory Direct Sale CAS 3147-75-9

• CAS No.: 3147-75-9
• Formula: C20h25n3o
• Color: White
• Appearance: Powder
• Transport Package: Carton+Pallet
• Trademark: Unitechem
• Model NO.: UV 329
• Origin: Jiangsu, China

Product Description

 

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Classification:	Chemical Auxiliary	Product Name:	UV absorbers 329
Place of Origin:	Jiangsu, China	CAS No.:	3147-75-9
Brand Name:	Unitechem	Purity:	≥99 %
Package:	25kg cardboard or customized	Color:	Light yellow
Freight Term:	FOB, CIF, CFR	Appearance:	Slightly yellow powder
Port of departure:	Shanghai	MOQ:	≥25 kg

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Product Description 
 

Content	UV absorbers 329
Chemical Name	2-(2'-Hydroxy-5'-tert-octylphenyl) benzotriazole
CAS NO	3147-75-9
Appearance	Light yellow to off-white powder
Volatile Matter	≤0.3%
Melting Point	103-105.3ºC
Ash	<0.1%
Light Transmittance	≥97% (440nm)         ≥98% (500nm
Features and Application	UV  Absorber  329 is  a  strong  absorber  of  ultraviolet  radiation in the 300-400nm region. It  has  a  low  volatility,  and especially has  good  perforin  transparent products and high temperature processing engineering plastics.  The product is mainly used for polyolefin, pet, PVC, PP, PS, PC, PP fiber, ABS resin,  epoxy  resin,  resin  and  ethylene  vinyl  acetate,  etc.,  to  protect  the  polymer from  ultraviolet  radiation. It  improves  the anti-aging  properties  for film,  sheet, molding  products,  fiber  products to maintain its  appearance  and  mechanics performance. It  can  be  used  together  with  phenolic  antioxidant,  phosphite  ester antioxidant  and  hindered  amine  light  stabilizer. Especially  suitable  for  colorless transparent and light products.
Package 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.
Cautions	The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.