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DERIVADOS DEL FLUOR is a global leader in the supply of hydrofluoric acid and a wide range of inorganic fluorides, including potassium fluorosilicate.
Our K₂SiF₆ supply principles focus on safety, service, and quality, and adaptation to customers´ needs:
• We supply Potassium Fluorosilicate in standard packaging and other specialized containers adapted to suit our customers´ needs
• Close cooperation with our clients enables DDF to supply a high-quality product that meets the highest standards.
• Our robust inventory, together with our integrated logistics service enables us to provide international just-in-time delivery to all our customers.
| PROPERTIES | ||
|---|---|---|
| Chemical Formula | K2SiF6 | |
| Description | White crystalline powder | |
| Identification | CAS No: 16871-90-02 UN No.: 2655 |
|
| Concentration | > 98% K2SiF6 | |
| Packaging | 25 Kg bag, 1 t Big-bag, Silo truck.
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| Transport | ADR: 6.1T5-III; RID: 6.1T5-III; IMDG: 6.1; OACI: 6.1 | |
Potassium Fluorosilicate
Potassium Fluorosilicate is used in ceramics, glass, and specialized coatings. It provides stability and performance in demanding environments.
Industry trend: Its role expands with the development of high-durability construction and surface treatment materials.

Sodium fluorosilicate is commonly used as a flux in the production of frites and enamels, opalescent glass and enamelled porcelain, fungicide, opacifying for the manufacture of vitreous enamels and opalescent glass, as a wood preservative, in construction, and for surface treatments.
For more information, use the following link to submit your request and a member of the DDF team will contact you as soon as possible.