WSD CHEMICAL LIMITED

WSD chemical established in 2000,we are professional engaged in the research, development, production, sale and service of PVC additives. We are located in Shengzhou City,Zhejiang,China, near to Shanghai, Hangzhou ,Ningbo, YIwu .and have convenient transportation access.

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UV absorbent UV-P

  • 1.UV absorbent UV-P Can absorb ultraviolet radiation in band of 270-340nm

    2.UV absorbent UV-P mainly used on plastics,rubber, paint,synthetic fiber.


  • Chemical Name of UV Absorbent UV-P

    2-(2'-Hydroxy-5'-methyl phenyl) benzotriazole

    Molecular Formula: C13H11N3O

    Molecular Weight: 225.3

    CAS NO. ï¼š 2440-22-4

    Property of  UV-P

    UV light absorbers is light yellow powder. UV light absorbers can be dissolved in organic solvents such as

    acetone,styrene, benzene and toluene while never be dissolved in water.

    Characteristics of UV-P

    This product can effectively absorb the ultraviolet radiation in band of 270-340nm and nearly never absorb

    visible light. UV absorbing paint can be colored little in initial stage, is more suitable for colorless products

    or products of light color.

    Technial index of UV-P

    item

    UNIT

    index

    Appearance


    yellowish crystalline powder

    Content

    %

    99.0min

    Melting Point

    °C

    128-132

    Loss on drying(55±2°C)

    %

    0.5max

    Content of Ash

    %

    0.1max

    Light Transmittance(440nm)

    %

    97min

    Light Transmittance(500nm)

    %

    98min

    Applications of UV-P

    It is widely used in PVC, PS, PC, PMMAPE, ABS resin, unsaturated polyester, araldite, natural

    rubber and synthetic rubber. It can be also used in paint and synthetic fiber.