<pre id="pxmzw"><label id="pxmzw"><xmp id="pxmzw"></xmp></label></pre>
<p id="pxmzw"></p>
<output id="pxmzw"></output>
    1. <track id="pxmzw"><strike id="pxmzw"></strike></track>

        Mainly produces a series of intermediate products based on naphthalene and benzene

        +中文版+   +ENGLISH+

        PRODUCTS

        Ultraviolet absorbent V-531
        Synonyms Ultraviolet absorbent UV-531, Benzophenone-12
        CAS NO 1843-05-6
        Structural formula
        Molecular weight 326.43
        Molecular Formula C21H26O3
        Indicators

        Appearance:light yellow crystal powder
        Melting point: 47.0-49.0℃
        Content: ≥99.0%
        Ash: <0.1%
        Light transmittance:  (450nm):>90%
        (500nm): >95%
        Packing: paper drum 25kg/drum
        Storage: airproof and avoid light
        Use: It is excellent high-effective anti-aging assistance. It is widely used in PE, PVC, PP, PS, PC, organic glass and others.
        Valid period: 2 years

        HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   CONTACT  |   中文版

        Add:Room 401-418, Building 18, Changjiang Plastics Chemical Market, 600 Tongjiang Middle Road, Xinbei District, Changzhou City
        E-mail:xinyan_gu@changyuchem.com

        International Trade:
        Tel: +86-519-85481997/81187592/85761005
        Fax: +86-519-85484533/85761018

        Domestic Trade:
        Tel: +86-519-85481743/85772200/85761002
        Fax: +86-519-85481030/85761058

        Copyright(C)2019, Changzhou Chungang Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案字號:蘇ICP備11031745號

        免费高清特级毛片A片
        <pre id="pxmzw"><label id="pxmzw"><xmp id="pxmzw"></xmp></label></pre>
        <p id="pxmzw"></p>
        <output id="pxmzw"></output>
        1. <track id="pxmzw"><strike id="pxmzw"></strike></track>