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Magnesium fluosilicate detail


Magnesium fluosilicate

time:2019-08-13 17:12  author:adminclick:

Magnesium fluosilicate
 
Molecular formula: MgSiF6? 6H2O
 
Molecular weight: 274.48
 
Danger number: 2853
 
Risk Level: 6.1
 
Physicochemical properties: white rhombic or acicular crystals, odorless, relative density is 1.788, melting point is 120 C. It can be weathered and lose crystalline water. It is soluble in water, dilute acid, hydrofluoric acid and alcohol. The aqueous solution is acidic. The corresponding fluoride and silica can be formed when reacting with alkali. Toxic.
 
Usage: Mainly used to improve the hardness and strength of concrete, play a waterproof and hardening role, is a good hardener and waterproof agent. It can also be used for fluoride weathering on the surface of silica buildings and as pesticides.
 
Quality standards:
 
Indicator Name Indicator
 
Magnesium fluosilicate (MgSiF6). 6H_2O)>98.5
 
Magnesium sulfate (MgSO4). 7H_2O) = 0. Three
 
Fluorosilicic acid (H2SiF6) = 0. Five
 
Moisture < 0.51.0
 
Water insoluble matter < 0.2
 
Packaging and storage: Wrapped in woven bags lined with polyethylene plastic bags, each bag weighs 25kg net. Storage should be ventilated and dry.