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Applications of Sodium Fluorosilicate

  • Author:Ray Dean
  • Source:www.oceanchinachem,com
  • Release on :2016-06-10

Sodium Fluorosilicate is a white crystalline powder or granules. Odorless. Tasteless. Searing (300 ° C upper) decomposition into sodium fluoride and silicon tetrafluoride. Decomposition in alkaline solution. Generating fluoride and silica. There hygroscopicity. Dissolved in 150 parts of cold water, 40 parts of boiling water, insoluble in ethanol. Its cold aqueous solution was neutral, acidic decomposition in hot water. The relative density of 2.679. Medium toxicity, median lethal dose (rat, oral) 125mg / kg. Irritation.

 

Sodium fluorosilicate construction, building materials industry the largest amount of fluoride silicate species. Mainly used as a cosolvent enamel, glass milky agent, acid clay and acid-resistant concrete coagulant and wood preservatives, the pesticide industry for the manufacture of pesticides. Timber industry as a preservative; moisture absorbent acid-resistant cement. For glass and enamel cream agent; natural latex products used as a coagulant, electro-galvanized, nickel, iron three yuan coating used as an additive, also used as a plastic filler. In addition, for the pharmaceutical and drinking water fluoridation, and the manufacture of artificial cryolite sodium fluoride.

 

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