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Wholesale Price High Purity Light Stabilizer Ultraviolet Absorbent 328 CAS No 25973-55-1 UV-328

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Min Order 1 kg
Availability In Stock
Shipping From Jiangsu, China
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Model NO.:
Siwin-UA328
CAS No.:
25973-55-1
Color:
Yellow
Appearance:
Powder
Ash %:
0.1max
Volatiles %:
0.5max
Molecular weight:
351.5g/mol
Trademark:
Siwin
Transport Package:
25kg Carton Inner with Plastic Bag or as Customer`
Specification:
N/A
Origin:
China
HS Code:
29339982
Product Description
Description
UV Absorber 328 is a strong absorber of ultraviolet radiation in the 290-400nmregion. It has
good chemical stability, light color, little volatility, good compatibility with polyolefin and other resins, good storage stability.
 
Application
The product is mainly used in polyolefin, styrene monopolymer and copolymer, ABS, acrylic
polymer, unsaturated polyester, thermoplastic polyurethane, polyacetal, PVB(polyvinyl
butanal), epoxy and polyurethane two-component system. It can be used in combination with antioxidant and HALS to optimize the outdoor performance of products.
 
Typical properties
Chemical Name
2-(2-Hydroxy-3,5-di-tert-pentylphenyl)-2H-benzotriazole
Molecular weight
351.5g/mol
Melting point
79-88ºC
Volatiles %
0.5max
Ash %
0.1max

Package/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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