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UV yutuvchi 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% Erish nuqtasi: 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. Toksiklik: past toksiklik ... -
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UV changni yutish vositasiUV-571
Chemical Name:2-(2H-Benzothiazol-2-yl)-6-(dodecyl)-4-methylphenol CAS NO: 125304-04-3 Molecular Formula:C25H35N3O Molecular Weight:393.56 Specification Appearance: Yellowish viscous liquid Content(GC) :≥99% Volatile: 0.50%max Ash: 0.1%max Boiling point:174℃ (0.01kPa) Solubility:Soluble in common organic solvents Light transmittance: Wave length nm Light transmittance % 460 ≥ 95 500 ≥ 97 Application UV-571 is a liquid benzotriazole UV absorberlar mumkin be used for thermoplasti... -
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