• UV absorber

    UV absorber

    UV absorber is a kind of light stabilizer, which can absorb the ultraviolet part of sunlight and fluorescent light source without changing itself.

  • UV5050H
  • UV Absorber UV-328

    UV Absorber UV-328

    Chemical Name: 2-(2′-Hydroxy-3′,5′-dipentylphenyl)benzotriazole CAS NO.:25973-55-1 Molecular Formula:C22H29N3O Molecular Weight:351.48516 Specification Appearance: white to light yellow powder Content: ≥ 99% Melting point: 80-83°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance :440nm≥96%, 500nm≥97% Application This product is mainly used in polyvinyl chloride, polyurethane, polyester resin and others. Max absorption wave length range is 345nm. Toxicity: low to...
  • UV Absorber UV-3030

    UV Absorber UV-3030

    Chemical Name: 1,3-Bis-[(2'-cyano-3',3'-diphenylacryloyl)oxy]-2,2-bis-[[(2'-cyano-3',3'-diphenylacryloyl)oxy]methyl]propane CAS NO.:178671-58-4 Molecular Formula:C69H48N4O8 Molecular Weight: 1061.14 Specification Appearance: white crystal powder Purity: 99% Melting point (°C) 175-178 Density:1.268 g/cm3 Application Can be used to PA, PET, PC etc ABS A combination of UV-3030 significantly reduces discoloration caused by exposure to light. Recommended dose: 0.20 – 0.60% ASA 1 : 1 combinatio...
  • UV Absorber UV-3638

    UV Absorber UV-3638

    Chemical Name: 2,2′-(1,4-phenylene)bis[4H-3,1-benzoxazin-4-one] CAS NO.:18600-59-4 Molecular Formula:C22H12N2O4 Molecular Weight: 368.34 Specification Appearance: White to off- white crystalline powder Content: 98%min Melting point: 310℃ min Ash: 0.1%max Loss on drying: 0.5% max Application UV- 3638 offers very strong and broad UV absorption with no color contribution. Possesses very good stabilization for polyesters and polycarbonates. Provides low volatility. Imparts high UV screen...
  • UV Absorber UV-1577

    UV Absorber UV-1577

    Chemical Name: 2-(4,6-Bis-(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(octyloxy)-phenol CAS NO.: 147315-50-2 Molecular Formula:C25H27N3O2 Molecular Weight:425 Specification Appearance: light yellow powder or granule Content: ≥ 99% Melting point: 148.0~150.0℃ Ash: ≤ 0.1% Light transmittance: 450nm≥87%; 500nm≥98% Application Suitable for polyalkene terephthalates & naphthalates, linear and branched polycarbonates, modified polyphenylene ether compounds, and various high performance p...
  • UV Absorber UV-P

    UV Absorber UV-P

    Chemical Name: (2′-Hydroxy-5mg-methylphenyl) benzotriazole CAS NO.: 2440-22-4 Molecular Formula:C13H11N3O Molecular Weight:225.3 Specification Appearance: white to light yellow crystal powder Content: ≥ 99% Melting point: 128-130 °C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance: 450nm≥90%; 500nm≥95% Application This product provides ultraviolet protection in a wide variety of polymers including styrene homo- and copolymers, engineering plastics such as polyesters and ac...
  • UV Absorber BP-12 (UV-531)

    UV Absorber BP-12 (UV-531)

    Chemical Name: 2-hydroxy-4-(octyloxy)benzophenone CAS NO.: 1843-05-6 Molecular Formula:C21H26O3 Molecular Weight:326 Specification Appearance: light yellow crystal powder Content: ≥ 99% Melting point: 47-49°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance: 450nm≥90%; 500nm≥95% Application This product is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic , good compatibility,...
  • UV Absorber BP-6

    UV Absorber BP-6

    Chemical Name: 2,2′-Dihydroxy-4,4′-dimethoxybenzophenone CAS NO.:131-54-4 Molecular Formula:C15H14O5 Molecular Weight:274 Specification: Appearance: light yellow powder Content% : ≥98.00  Melting point DC: ≥135.0  Volatile content%: ≤0.5  Light transmittance: 450nm ≥90% 500nm ≥95% Application: BP-6 can be used in various factory plastics, coatings, UV-curable inks, dyes, washing products and textiles-significantly improving the viscosity of acrylic colloids and the stability o...
  • UV Absorber UV-2

    UV Absorber UV-2

    Chemical Name: ethyl 4-(((ethylphenylamino)methylene)-amino)benz CAS NO.:65816-20-8 Molecular Formula:C18H20N2O2 Molecular Weight:296.36 Specification: Appearance: light yellow to almost white powder Density: 1.04g/cm3 Melting point: 62-65°C Boiling point: 429.5°C at 760 mmHg Flash point: 213.6°C Vapor pressure: 1.39E-07mmHg at 25°C Application: Widely used in PU, PP, ABS, PE, high density polyethylene, low density polyethylene Package and Storage: 1.25kg cardboard drum 2.Stored in sealed,...
  • UV Absorber UV-3039

    UV Absorber UV-3039

    Chemical Name:Octocrilene CAS NO: 6197-30-4 Molecular Formula:C24H27NO2 Molecular Weight:361.48 Specification: Appearance: transparent yellow vicious liquid Assay: 95.0~105.0% Individual impurity: ≤0.5% Total impurity: 2.0% Identification: ≤3.0% Refractive index N204):1.561-1.571 Specific gravity (D204):1.045 -1.055 Acidity(0.1mol/L NaOH):≤ 0.18 ml/mg Residual solvents (Ethylhexanol):≤ 500ppm Package and Storage: 1.25kg plastic drum、200kg Steel-plastic barrel or 1000L IBC container 2.Pr...
  • UV Absorber BP-5

    UV Absorber BP-5

    Chemical Name: 5-benzoyl-4-hydroxy-2-methoxy-, sodium salt CAS NO.:6628-37-1 Molecular Formula:C14H11O6S.Na Molecular Weight:330.2 Specification: Appearance: White or Light yellow powder Assay: Min. 99.0% Melting Point: Min 280℃ Drying Loss: Max.3% PH Value: 5-7 Turbidity of Aqueous Solution: Max.2.0 EBC Heavy Metal: Max.5ppm Application: It can improve the stability of shampoo and bath liquor. Mainly used in water-soluble sunscreen agent, sunscreen cream and latex; prevent the yellowing...
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