欧美日韩亚洲国产精品,91精品久久人人妻人人做人人爱,99精品国产综合久久精品自在,亚洲国产欧美目韩成人综合,site:jiangsuyinhang.com,亚洲最新无码AV在线,韩国激情无码av一区二区

棣栭爜 > 鐢�(ch菐n)鍝佸垪琛� > 鐢�(ch菐n)鍝佽┏绱�(x矛)淇℃伅

Heptamethyl cyclotetrasiloxane
涓冪敳鍩虹挵(hu谩n)鍥涚姘х兎锛堣▊璨ㄤ互鑻辨枃鍚嶇ū鐐烘簴(zh菙n)锛�

  • 鍒嗗瓙寮忥細 C7H22O4Si4
  • 鐢�(ch菐n)鍝佺法铏燂細 S09240
  • 鍒嗗瓙閲忥細 283
  • CAS锛� 15721-05-8
  • 绱斿害锛� 90%
  • MDL锛� MFCD00040367
  • Fluorochem-B

鐩寗浣嶇疆