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首頁(yè) > 供應(yīng)產(chǎn)品 > 德固賽二氧化硅A300
德固賽二氧化硅A300
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過(guò)期 長(zhǎng)期有效
更新 2013-12-16 17:13
 
詳細(xì)信息

德固賽二氧化硅A300
理化數(shù)據(jù)
性質(zhì)                                                單位                  典型值
比表面積(BET法)                                   m2/g                  300±30
平均原生粒徑                                        nm                      12
壓實(shí)密度*(近似值)  
據(jù)DIN EN ISO 787/11,Aug, 1983                      g/l                    約50
含水量* 105℃下2小時(shí)                                Wt.%                 ≤1.5
灼燒失重
(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
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