welcome,guest

UV Absorber UV-320

  • 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:

    2017-06-30 03:45

  • Browse the number:

    369

Send an inquiries

Company Profile

Hangzhou Jingyou Chemical Co.,Ltd

By certification [File Integrity]

Contact: jyhg(Mr.)  

Email:

Telephone:

Phone:

Area: Zhejiang

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

Product details

UV-320
Ⅰ.Chemical name
2-[2'-hydroxy-3',5'-di-t-butyl-phenyl]-benzotriazole
Ⅱ.Introduction
UV-320 is a highly effective light stablizer for a variety of plastics and other organic substrates including unsaturated polyesters , PVC and PVC plastisol.  Good results are also expected when UV-320 is used in polycarbonates. polyurethanes. polyamides. Synthetic  fibers. particularly  those with a polyester, epoxy resin base. UV-320 features strong UV absorption excellent compatibility in a variety of substrates and low volatility and protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering,
Ⅲ. Molecular Formula : C20H25N3O
Ⅳ. Molecular Weight : 323.4
Ⅴ. CAS NO : 3846-71-7
Ⅵ. Chemical structure :

 
Ⅶ. The sale code name : PS-320
Ⅷ. Physical properties
Appearance : Slightly yellow powder
Assay : ≥ 99%
Melting point : 152-154 °C
Loss on drying : ≤ 0.5%
Ash : ≤ 0.1%
Transmittance: 440nm≥97%   
500nm≥98%
Ⅸ. Storage and transportation :
The chemical stability is good.It can be stored and transpoted according to the general chemical matter regulation