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Sell UV Absorber 234 CAS NO.70321-86-7

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  • Company Name :Guangzhou Chengshuai New Material Co.,Ltd.
  • Membership :Free member
  • Registrarion Date :2017. 09. 25
  • CountryRegion:China
  • Address:No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou, China Guangzhou Guangdong, China
  • Phone / Fax:86-20-34708468  /  86-20-84697353
  • Contact:David
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Description

Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole
CAS No.:70321-86-7
Molecular formula:C30H29N3O
Molecular weight: 447.6

Appearance: Light yellow powder
Purity, %: ≥ 99
Melting point,℃:139.5-141
Volatile matter, %: ≤ 0.5
Ash, %: ≤ 0.05
Transmittance 450nm≥97%
500nm≥98%

UV ABSORBER HOSORB-234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class. It has low volatility at high temperatures and high resistance to thermal degradation for compounding and molding applications. It is highly effective for polymers processed at high temperature such as polycarbonate, polyester, polyacetal, PPO, polyamide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers etc.. It is also useful in the light stabilization of powder coatings and solvent-based coatings. info at hhochem. com

Price Negotiable
Package 25kg/carton

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  • Sell UV Absorber 234 CAS NO.70321-86-7

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