CAS RN 65997-17-3
CAS RN 65997-17-3
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Glass Spheres , MilliporeSigma™ Supelco™
Silica is a naturally occurring material in minerals, flint and in some plants in crystalline phase. Silica used in industries is in synthetic form. Surface area, pore volume, pore size and particle size are independently controllable to some extent. The crystalline silica may be classified based on atmospheric pressure as:a. Quartz = 1143Kb. Tridymite 1143 - 1743Kc. Cristobalite = 1743, over 1973K it forms amorphous vitreous silica glass.