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UV Stabilizer 327
UV Stabilizer 327

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UV Stabilizer 327,This product is an ultraviolet light absorbent of the hydroxyphenyl benzotriazole class

 

UV Stabilizer 327

Chemical Name:  2,4-DI-TERT-BUTYL-6-((5-CHLOROBENZOTRIAZOL-2-YL) PHENOL

 

Molecular formula

C20H24N3OCL

 

Molecular Weight

358

CAS#

3864-99-1

 

Introduction:  This product is an ultraviolet light absorbent of the hydroxyphenyl benzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.

Physical Properties:

 

Appearance:

Yellow powder

Assay:

≥99%

Melting Range:

≥154

Ash:

≤0.1%

Light Transmittance:

460nm≥95%

500nm≥97%

Volatiles:

≤0.5%

 

Solubility: (At 20g/100ml solvent)

Water

<0.01

Methylene chloride

17

Acetone

1

Methanol

<0.1

Benzene

16

n-Hexane

4

 

Applications: This product is a highly effective light stability for variety of plastics and other organic substrates. Due to Its red shifted UV absorption, it is particularly suited foruse in the stabilization of polymers that are especially sensitive to long-wavelength UV radiation (eg. Polyurethanes, polyphenylene sulfide) and in certain applications where very low transmission of long-wavelength UV radiationis required (eg. Optical lenses). Its use is recommended in a variety of polymers and organic substrates, including a crylic polymers, unsaturated polyesters, polyvinyl-chloride, polyolefins, polyvinglbu-tyral, elastomers and adhesives.

Package: The package is the paperboard drum lined with plastic bag. The net weight is 20kg / drum

Storage: When stored, please avoid the rain, moisture and sunshine

Period of Validity:  About 2 years

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