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UV Absorber UV-327

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    Negotiable

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  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Zhejiang

  • Validity to:

    Long-term effective

  • Last update:

    2017-06-30 03:45

  • Browse the number:

    84

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Hangzhou Jingyou Chemical Co.,Ltd

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Contact: jyhg(Mr.)  

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Area: Zhejiang

Website: http://www.jingyouchemical.com/ http://www.rphytc.com/com/jyhg/

Product details

UV-327
Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
Introduction : UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.
Empirical Formula : C17H18N30Cl
CAS NO : 3864-99-1
Structure : 

Physical Properties
Molecular Weight : 357.9
Appearance : slight yellow powder
Melting Range : 154-157 °C
Flashpoint : 234 °C
Specific Gravity(20 °C) : 0.37g/cm3
Transmissirity:
460nm≥ 97 %
500nm≥ 98%
Solubility At 20 °C (g/100ml solvent)

Solvent

Solubility

Acetone

1%

Benzene

16%

Chloroform

19%

Cyclohexane

5.0%

Ethyl Acetate

5.0%

n-Hexane

4.0%

Methanol

<0.1%

Methylene Chloride

17%

Water

<0.01%

Applications
1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight
2.PVC:
Rigid PVC : 0.2-0.5wt% based on polymer weight
Plasticized PVC : 0.1-0.3wt% based on polymer weight
3.Polyurethane : 0.2-1.0wt% based on polymer weight
4.Polyamide : 0.2-0.5wt% based on polymer weigh
Packing:25kg paper drum or carton