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Specifications
| Grade | CP 2020 |
| Appearance | White to gray-white crystal powder |
| Identification | 1: Conforms 2: Conforms |
| pH (50mg/1ml H₂O) | 8.4–11.2 |
| F | 0.005% Max |
| Pb | 0.0005% Max |
| Loss on ignition | 20% Max |
| SiO₂ | 35% Min |
| CaO | 4% Max |
| SiO₂/CaO | 0.5–20 |
| Total content (SiO₂ + CaO + Loss on ignition) | 90% Min |
| Total aerobic bacteria count | 100 cfu/g Max |
| Total number of mold and yeast | 100 cfu/g Max |
Applications
Calcium silicate is a versatile inorganic compound widely applied in construction, industrial manufacturing, and specialized technical fields. In the building materials sector, it is used as a core ingredient in insulation boards, wall panels, and fireproof materials due to its excellent thermal stability and non-combustibility. Its lightweight and high insulating capacity make it ideal for thermal and acoustic insulation in residential, commercial, and industrial structures. In heavy industry, calcium silicate serves as a protective refractory material, lining furnaces, kilns, and foundries to withstand extreme temperatures. It is also employed as a filtration aid in the food and beverage industry, where its porous structure improves clarity and purity. Additionally, calcium silicate finds use in pharmaceuticals and personal care products as an anti-caking and free-flow agent, ensuring consistency in powders and granulated formulations.
Benefits
The benefits of calcium silicate arise from its thermal resistance, structural stability, and multifunctional properties. As a fire-resistant and non-toxic material, it enhances safety in construction while contributing to sustainable building practices. Its low density and excellent insulation reduce energy consumption, offering both environmental and economic advantages. In filtration applications, its porous structure ensures high efficiency and purity without introducing contaminants. As a flow agent in powders, it improves handling, storage, and product quality. Moreover, its versatility across construction, industry, and consumer goods demonstrates its adaptability to diverse needs, making it a dependable and widely adopted material.
Conclusion
Calcium silicate (CAS 1344-95-2) is a multifunctional compound that plays a vital role in construction, manufacturing, and consumer products. Its fire resistance, insulation properties, and utility in filtration and formulation highlight its value in enhancing safety, efficiency, and product quality. With its broad applicability and practical benefits, calcium silicate continues to be an essential material supporting modern industry and everyday use.
