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Calcium fluorosilicate

White tetragonal crystals or powder, odorless; density 2.662 g/cm³.It is almost insoluble in cold water and decomposes in hot water; it dissolves slowly in strong acids such as hydrochloric acid, but is insoluble in ethanol and acetone.. Stable at room temperature; decomposes at high temperatures (>300°C), releasing toxic silicon tetrafluoride fumes and forming calcium fluoride and silicon dioxide; undergoes decomposition in the presence of bases.

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Calcium fluorosilicate
Calcium fluorosilicate
Calcium fluorosilicate
Product Introduction
Product Name: Calcium fluorosilicate
Alias: Calcium hexafluorosilicate
English name: Calcium fluorosilicate / Calcium silicofluoride
Molecular formula: CaSiF6
Molecular Weight: 182.15
Danger Number: 2856
Danger level: 6.1
Product Code: 2826.2000
Product Use
01

Other: Pesticides, rubber and textile auxiliaries, specialty glass raw materials

02

Chemical raw materials: Preparation of calcium fluoride and fluoride intermediates; mineral flotation reagent

03

Wood preservationWood insecticide and preservative treatment agent

04

Ceramics, enamel: Opacifier and flux for glazes, enhancing glaze whiteness and smoothness.

05

Building materialsCement and concrete additives to enhance corrosion resistance; raw material for acid-resistant products.

Quality Standard
Indicator Name
Indicator
Premium Product
First-class Product
Qualified Product
Appearance
White crystals
Water-insoluble matter,% ≥
0.30
0.40
0.60
Fineness passing through a 250 µm test sieve,% ≥
0.30
0.15
0.56
Packaging and Storage
  • Packaging: 25 kg, inner plastic bag with outer woven bag.

  • Storage: Store in a cool, dry warehouse; keep away from moisture.Strictly prohibited to store together with alkaline materials.

  • Hazard: Toxic substance, Class 6.1; avoid inhalation of dust;