Gold Member Since 2014
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Shanghai Deborn Co., Ltd.

Chimassorb 81, Cyasorb UV-531, Uvinul 3008 manufacturer / supplier in China, offering UV Absorber for PVC UV-531, Antioxidant 245 High-Effective Asymmetric Phenolic Antioxidant, Antioxidant 1425 Hindered Phenolic Composite Antioxidants and so on.

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Supplier Homepage Product Plastic Additives UV Absorber UV Absorber for PVC UV-531

UV Absorber for PVC UV-531

FOB Price: Get Latest Price
Min. Order: 100 kgs
Port: Shanghai, China
Transport Package: 25kg/Carton
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: UV531
  • Color: Yellow
  • Appearance: Powder
  • Specification: 98%
  • Certification: REACH
  • Kind: Ultraviolet Absorbent
  • Trademark: DEBORN
  • Origin: China
Product Description
Ingredients: 2-hydroxy-4-(octyloxy)benzophenone
Molecular formula:C21H26O3
Molecular weight:326
CAS NO.: 1843-05-6
Technical index:
Appearance:light yellow crystal powder
Content: ≥ 99% 
Melting point: 47-49°C
Loss on drying: ≤ 0.5% 
Ash: ≤ 0.1%
Light transmittance: 
Wave length nm Light transmittance % 
450≥ 90
500≥ 95

Toxicity: almost non-toxic,rattus norvegicus oral LD 50 =12g/Kg weight. 
Use: This product is mainly used in polyolefine, polystyrene, polyester, polyamide glue and others. Man absorption wave length range is 300-375nm. 
General dosage 0.2-0.6% .
Solubility: 25°C unit:g/100mLsolvent 
solvent Acetone Benzene Methyl alcoholn-Heptane Alcohol (95%) Hexane Water
Solubility 74 72 40 2.6 40.1 <0.5
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