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德固賽二氧化硅R974

 
 
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發(fā)貨 四川成都市付款后24小時(shí)內(nèi)
過(guò)期 長(zhǎng)期有效
更新 2013-12-16 17:08
 

成都輝煌化工貿(mào)易有限公司

企業(yè)會(huì)員第15年
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保證金未繳納
  • 四川-成都市
  • 上次登錄 2013-12-16
  • 李志輝 (先生)   業(yè)務(wù)員
詳細(xì)說(shuō)明

德固賽二氧化硅R974
是由比表面積為200m2/g的親水性的氣相法二氧化硅為基礎(chǔ),經(jīng)DDS(二甲基二氯硅烷)處理后的疏水型氣相法二氧化硅。
物理化學(xué)數(shù)據(jù)
性質(zhì)單位典型值
外觀:蓬松白色粉未
比表面積(BET法)m2/g 170±20
碳含量Wt.%0.7-1.3
原生粒子平均粒徑Nm 12
壓緊密度近似值:50 g/L
堆積密度*(近似值)
據(jù)DIN EN ISO 787/11,Aug, 1983 g/l約50
含水量(干燥失重)* 105℃下2小時(shí)Wt.%≤0.5
灼燒損失:將105℃下干燥2小時(shí)后的物料,在1000℃下灼燒2小時(shí)Wt.%≤2.0
PH值 在4%分散中3.7-4.7
SiO2含量 基于灼燒后的物料Wt.%≥99.8
Al2O3含量:≤0.05 wt%
Fe2O3含量:-≤0.01 wt%
TiO2含量:≤0.03 wt%
HCL含量:≤0.1 wt%
單位包裝:10 kg/袋
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