和三个人同过房会怎么样,精品一区,一念天堂免费观看,506寝室的灯灭了以后第9部分

<b id="ucvbn"><small id="ucvbn"></small></b>
    <video id="ucvbn"></video>

    <rp id="ucvbn"></rp>
    <source id="ucvbn"></source>
      1. 中文版 | ENGLISH
          Product List
        + Auxiliary part
        - UV absorber?
        - Antioxidant
        - Photoinitiator
        + LED-Curing Wood Coat
        + Pharmaceutical and pesticide intermediates


        Jingmen Ruian Chemical Co.,Ltd.

        Add: No. 40, 15th Street,  Fengming Lake, Country Garden  , Duodao District, Jingmen City, Hubei Province,China
        Tel: +86-724-8689966     Fax:+86-724-8688966

        E-mail: yann@ruianchem.com /   

         Web: ziccokp.cn


        Sales Department
        Contact:Mr Yan  +86-13677272218
        E-mail: yann@ruianchem.com /


        International Trade Department
        Contact:Ms Wen +86-18824152704

        E-mail: diana@ruianchem.com





        -Productshow Now Position:Home - Productshow
        UV-770; Light Stabilizer770; HALS,UV absorber?
           
        Parameter
        CAS.: 52829-07-9
        Product name: UV-770; Light Stabilizer770; HALS
        Description

        Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate; HALS 770;Tinuvin 770;UV-770

        Introduction :
        CAS NO : 52829-07-9
        Empirical Formula : C28H52O4N2
        Structure :
        Physical Properties

        Molecular Weight : 481

        Appearance : white crystals

        Melting Range : 81-85 °C

        Transmittance: 425 nm≥98%   500 nm≥99%
        Package:25kg fibre drum or 25kg carton 



        UV-770 is a kind of hindered amine light stabilizer, when add a small quantity in plastic products has a good light stability on plastic molding.It can play a greater resistance to ultraviolet light if mixed with other UV absorber when used in polymer.This product is suitable for PP, PE, PS, ABS resin, polyester and PU, etc.




         

          Add:No. 40, 15th Street,  Fengming Lake, Country Garden Phase 1 , Duodao District, Jingmen City, Hubei Province,China  

        Contact: Tel:+86-724-8689966 Fax:+86-724-8688966   E_mail: yann@ruianchem.com / richard@ruianchem.com

          Superiorproducts:Ultravioletlightabsorber   Antioxidant  Aluminumchloride  Phosphorousacid  Methylp-tolylsulfone?  Tosylchloride  
          Copyright(C)2014, JingmenRuianChemicalCo.,Ltd. AllRightsReserved. Supportedby ChemNet ChinaChemNet Toocle CopyrightNotice