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About This Item
经验公式（希尔记法）:
O2Si
CAS号:
分子量:
60.08
EC 号:
MDL编号:
UNSPSC代码:
23201100
PubChem化学物质编号:
NACRES:
SB.52
一般描述
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。
应用
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。
特点和优势
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。
外形
中空球形无孔玻璃珠。
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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