2020天天做天天拍天天夜,欧美人禽杂交久久久h,午夜欧洲亚洲AV永久无码精品,欧美日韩一卡二卡播,青青青在线免费,欧美视频一区二区三区在线观看黄色,亚洲精品三级电影,亚洲Av无码乱码国产精000}

Welcome your visit at our website!
Yancheng Rongxin Chemical Co., Ltd.
HOME      ABOUT US      PRODUCTS      HONOR      JOB      FACTORY      ORDER      CONTACT      中文版
PRODUCTS CENTER
   4,4'-Sulphonylbis(
   Disodium tetrabrom
   Tetrabromophthalat
   Tetrabromophthalic
   4-Chlorobenzaldehy
   Cyclopentyl Chlori
   Trimethylacetic ac
   Chlorinated Polyet
  PRODUCTS

4,4'-Sulphonylbis(2,6-dibromophenol)

Structural formula:
Molecular formula: C12H6Br4O4S
Molecular weight: 565.85
Properties: it is white or light yellow crystal powder; easily soluble in water; soluble in alcohol; insoluble in benzene, ether.
Product index: Appearance: white powder
bromine content (%): ≥55.0
melting point (℃): ≥280.0
moisture (%): ≤0.2
Product uses: It is reaction type fire retardant used in epoxy resin, polycarbonate, aldehyde resin, polysulfone and polyether sulfone. It is used as additive in ABS, HIPS unsaturated polyester, adhesive agent and coating. It has features of high efficiency and fine heat stability.