UV Absorber UV-329

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  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Zhejiang

  • Validity to:

    Long-term effective

  • Last update:

    2017-06-26 01:53

  • Browse the number:

    60

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Company Profile
Hangzhou Jingyou Chemical Co.,Ltd
Contactaixin:

jyhg(Mr.)  

Email:

telephone:

phone:

Arrea:

Zhejiang

Website:

http://www.jingyouchemical.com/ http://www.skybluebm.com/com/jyhg/

Product details

UV-329
Chemical name : 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole 
Introduction : UV-329 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-329 is an effective light stabilizer for a variety of plastics and other organic substrates.
Empirical Formula : C20H25N30
CAS NO : 3147-75-9
Structure :

Physical Properties
Molecular Weight : 323
Appearance : white powder
Melting Range : 103-105 °C
Flashpoint : 150 °C
Specific Gravity(20 °C ) : 1.18g/cm3
Transmissirity:
440nm≥ 97%
500nm≥ 98%
Solubility At 20 °C (g/100ml solvent)

Solvent

Solubility

Acetone

9%

Benzene

32%

Chloroform

37%

Cyclohexane

15%

Ethyl Acetate

15%

n-Hexane

6%

Methanol

0.6%

Methylene Chloride

38%

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 weight
Packing: 25kg   paper drum or carton