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Potassium Hexafluorosilicate(Potassium Fluorosilicate)

Date of issue:2026/7/29 11:20:29 Number of visits:6

Product Name : Potassium Hexafluorosilicate(Potassium Fluorosilicate)

CAS NO :16871-90-2

Chemical Formula:K2SiF6


Application

1.New Energy Battery Application Materials:

Fluorine source additive for potassium-ion battery electrolyte to suppress gas generation from side reactions; 

Brazing flux for aluminum foil of lithium battery tabs; 

Flux for impurity removal during sintering of high-voltage ternary cathodes; 

Doping raw material for fluoride electrolyte of solid-state batteries


2.Electronic Product Applications:

Low-dielectric filling powder for advanced semiconductor packaging; 

Modification raw material for optical fiber preforms and special optical glass; 

Brazing flux for dissimilar metals of precision electronic components; 

Processing auxiliary for display substrate glass