poronovideos人初重口_黑人粗大a片在线观看_美女末成年视频黄是免费网址_另类maturetube富婆

市場價:元價格:元

  • 中文名稱:二苯基二甲氧基硅烷
  • CAS RN:6843-66-9
  • EINECS號:
  • 分 子 式:(C6H5)2Si(OCH3)2
  • 分 子 量:244.36
  • 分子式:
項目
外觀
無色透明液體
純度(GC Area%)
≥97%
折光率(20℃)
1.535~1.545
密度(25℃)
1.06~1.10g/ml


【用 途】主要用于丙烯聚合反應中,起著提高等規(guī)度的催化劑。

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  • 內(nèi)銷電話:86-0559-2346805 18055913262
  • E-mail:hsuzihang@163.com
  • 外銷電話:86-0559-2346805 18055913262



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