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等級
high-purity grade
品質等級
形狀
powder
技術
LPLC: suitable
表面積
125 m2/g
基質
Silica
基質活性組
silica
平均粒徑
9-13 μm
密度
1.1 g/mL at 25 °C (lit.)
適合性
suitable for acidity or alkalinity (alkalinity < 0.5 meq/g ASTM D 3100)
SMILES 字串
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI 密鑰
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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一般說明
二氧化硅是矿物、燧石和某些植物(呈结晶相)中存在的天然物质。工业上使用的二氧化硅是合成型。表面积、孔体积、孔径和粒径在一定程度上可独立控制。结晶二氧化硅可以基于大气压分为:
a.石英= 1143K
b.鳞石英1143 - 1743K
c.方石英= 1743,1973K以上则形成非晶形玻璃状石英玻璃。
a.石英= 1143K
b.鳞石英1143 - 1743K
c.方石英= 1743,1973K以上则形成非晶形玻璃状石英玻璃。
應用
二氧化硅玻璃球是涂料和塑料的低密度填料。二氧化硅用于合成硅质岩。二氧化硅还用于辅助氧化物和氮化物纳米线的催化生长。
用于涂料和塑料的低密度填料。
特點和優勢
轻质、耐压填料。在强化复合材料中赋予尺寸稳定性、减少翘曲、降低塑料熔融粘度以及提供多方向取向。
外觀
中空球形无孔玻璃珠。
儲存類別代碼
11 - Combustible Solids
水污染物質分類(WGK)
WGK 1
閃點(°F)
Not applicable
閃點(°C)
Not applicable
個人防護裝備
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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