国产丝袜欧美中文另类,久久久这里只有精品全部免费,久久免费Av播放,欧美三级韩国三级日本三级

<ul id="2s6gt"></ul>
<cite id="2s6gt"><listing id="2s6gt"></listing></cite>

  1. <thead id="2s6gt"><legend id="2s6gt"></legend></thead>
    <blockquote id="2s6gt"><legend id="2s6gt"></legend></blockquote>

      PRODUCTS

      PRODUCTS

      Toluene sulfonamide-formaldehyde resin

      CAS NO. 1338-51-8
      Structural formula
      Molecular formula C7H10NO2S n=2-3
      Molecular weight 450—600
      Appearance white rigid flaky granule
      Properties
      Item Index
      Melting point ≥62℃
      Chroma(APHA) ≤200
      Uses Used in cellulose resin, film-forming modifier of vinyl resin and adhesion promoter, also used in coating, hot melt adhesives, nail polish.
      Packing 25KG or 50KG film lined carton or woven bag.

      E-MAIL

      Copyright(C)2018, Suzhou Jinzhong Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案字號:蘇ICP備05021326號