日日干日日草-日日干日日操日日射-日日干日日操-日日干日日-日日干狠狠操-日日干干夜夜

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

Tetrabromophthalic anhydride

Alias: 4,5,6,7-Tetrabromo-1,3-isobenzofurandione; Tatrabromophthalic anhydride
Product pictures:
Molecular formula: C8Br4O3
Molecular weight: 463.7
Properties: it is white or light yellow powder; melting point: 270-281℃; soluble in nitrobenzene, dimethylformamide, lightly soluble in acetone, methylbenzene, dimethylbenzene, methyl alcohol, dioxane, tetrahydrofuran and acetic acid
Product index: Q/320928CGY001-2003
Item Index
appearance white or light yellow powder
bromine content%≥ 67
melting point ℃≥ 270
sulfate radical%≤ 0.3
moisture %≤ 0.2
Product features: It has features of high bromine content, low additive amount and fine flame retardant efficiency. In addition it has fine light and heat stability, mechanical property and electrical insulation property. It is environmental friendly.
Product uses: It is reaction type fire retardant used in polyester, unsaturated polyester and epoxy resin. And it is used as adding type fire retardant in polystyrene, polypropylene, polyethylene and ABG resin. In addition, it is used in other engineering plastic, synthetic material and other fine chemical synthesis.
Packaging, storage and transportation: polyvinyl plastics inner bag and woven bag; 25kg/bag or on requirement; should be preserved in dry and ventilated place
主站蜘蛛池模板: 亚洲一区二区三区在线播放 | 国产一级视频久久 | 韩国漂亮美女三级在线观看 | 欧美国产在线观看 | 任你操视频在线观看 | 美女毛片视频 | 国产精品久久久久久久福利院 | 美女视频一区二区三区在线 | 男女操bb| 国产老村长足疗店对白 | 手机av影院 | 久久99亚洲AV无码四区碰碰 | 国产一区日韩二区欧美三 | 性夜a爽黄爽 | 亚洲一区二区三区免费视频 | 日本69sex护士www | 日本中文字幕不卡在线一区二区 | 久久九九精品国产自在现线拍 | 免费一级片在线 | 精品国产成a人在线观看 | 国产成人激情 | 日韩亚洲欧美一区二区三区 | 亚洲日本视频在线观看 | 欧美va在线 | 国产精品久久久久久影院 | 免看一级a一片成人123 | 国产卡一卡二卡三卡四 | 免看一级一片一在线看 | 99热免费在线 | 久久精麻豆亚洲AV国产品 | 湿好紧太硬了我太爽了 | 2021麻豆剧果冻传媒入口永久 | 欧美日韩中文国产一区 | 2022最新a精品视频在线观看 | 天堂色| 国产精品天天影视久久综合网 | 幻女free性俄罗斯第一次摘花 | 国产精品久久亚洲一区二区 | 成人免费在线视频观看 | 国产福利你懂的 | 色yeye在线观看 |