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Calcium silicate CAS#1344-95-2
High-Temperature Insulation Capability: Calcium silicate, particularly calcium orthosilicate, is widely used as a safe alternative to asbestos for high-temperature insulation in industrial piping and equipment.
Versatile Material Forms: Available as crystalline or amorphous white to off-white material, and in various hydrate forms, allowing flexibility for different industrial applications.
Chemical Stability: Insoluble in water and capable of forming a gel with inorganic acids, providing stable performance under various chemical environments.
Adjustable Composition and Safety: Contains varying ratios of CaO and SiO₂ (including tricalcium and dicalcium silicate), offering customizable properties while maintaining a safe, non-toxic profile.
Product Description
Product Application of Calcium silicate CAS#1344-95-2
Hydrous/anhydrous silicate; CaO+SiO₂ in varying ratios; occurs naturally as wollastonite, afwillite, grammite
Synthesis: High-temperature calcination of CaO+SiO₂ (reaction: CaO+SiO₂+heat→CaSiO₃)
Key types: Calcium orthosilicate, tricalcium silicate (3CaO·SiO₂), dicalcium silicate (2CaO·SiO₄)
Physical properties: White/off-white crystalline/amorphous solid; various hydrated forms; water-insoluble
Chemical properties: Forms gels with inorganic acids; 5% aqueous suspension pH: 8.4–10.2
Primary application: Safe asbestos substitute for high-temperature insulation (industrial pipelines/equipment)
Product Application of Calcium silicate CAS#1344-95-2
Core property: Excellent anticaking performance
Anticaking applications: Dusting powders, cosmetics (face powders, eye shadows), table salt, foods, pharmaceuticals, agricultural pesticides
Thermal insulation: Safe asbestos substitute
Industrial components: Inherent in lime glass & Portland cement; reinforcing filler for elastomers & plastics
Other uses: Liquid/gas/vapor absorbent; suspending agent; pigment extender; refractory binder; chromatographic medium; road construction raw material
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