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硅溶膠

 
 
單價 面議對比
詢價 暫無
發(fā)貨 上海付款后24小時內(nèi)
過期 長期有效
更新 2013-10-14 08:50
 

上海宏瑞實業(yè)股份有限公司

企業(yè)會員第14年
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  • 上海
  • 上次登錄 2013-10-14
  • 李先杰 (先生)   經(jīng)理
詳細說明

硅溶膠
二氧化硅含量:15-35%
PH值:8.5-10
密度:1.15-1.21g/cm3
鈉離子含量:≤0.02%
粒徑:10-20nm
外觀:乳白色或者淡青色半透明液體
注:產(chǎn)品需提前預(yù)訂購
硅溶膠屬膠體溶液,無臭。硅溶膠為納米級的二氧化硅顆粒在水中或溶劑中的分撒液。由于硅溶膠中的SiO2含有大量的水及羥基,故硅溶膠也可以表述為SiO2.nH2O
硅溶膠屬膠體溶液,無臭,分子式可表示為 mSiO2nH2O.   1.由于膠體粒子微細(10 - 20nm),有相當(dāng)大的比表面積,粒子本身無色透明,不影響被覆蓋物的本色。   2. 粘度較低,水能滲透的地方都能滲透,因此和其它物質(zhì)混合時分散性和滲透性都非常好。   3. 當(dāng)硅溶膠水份蒸發(fā)時,膠體粒子牢固地附著在物體表面,粒子間形成硅氧結(jié)合,是很好的粘合劑
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