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99%min Sodium Fluorosilicate White Powder Sodium Silicofluoride Na2SiF6 In Ceramic Tableware

Categories Sodium Silicate Fluoride
Brand Name: YIXIN
Model Number: YX-FGSN
Place of Origin: CHINA
MOQ: 20 tons
Price: 380USD/T-500USD/T
Payment Terms: L/C, T/T
Supply Ability: 2000 tons per month
Delivery Time: within 15 days after receiving full payment
Packaging Details: 25kgs, 1000kgs, 1250kgs
Product Name: White Crystal Powder Purity 99% Sodium Silicofluoride for Borosilicate Glass
Cas No: 16893-85-9
EINECS No: 240-934-8
HS CODE: 2826901000
Key Word: sodium fluorosilicate
Applications: boronsilicate glass
Chemical Formula: Na2SiF6
Appearance: white crystal powder
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99%min Sodium Fluorosilicate White Powder Sodium Silicofluoride Na2SiF6 In Ceramic Tableware

99%min Sodium Fluorosilicate, White Powder Sodium Silicofluoride Na2SiF6 Used in Ceramic Tableware


1. Sodium Fluorosilicate Introduction

Sodium fluorosilicate, also known as sodium silicofluoride, is a chemical compound with the formula Na2SiF6. This odorless, white crystalline powder is commonly used in various industrial applications such as water fluoridation, metal surface treatment, and glass etching. It is a source of fluoride ions and is valued for its ability to resist acidic conditions. Sodium fluorosilicate plays a crucial role in enhancing the durability and strength of materials where it is applied.

Sodium Fluorosilicate Parameters
Product NameWhite Powder Sodium Silicofluoride Na2SiF6 Used in Ceramic Tableware
CAS No16893-85-9
EINECS No240-934-8
Purity99%min
Package25kgs, 1000kgs, 1250kgs
HS Code2826901000
Molecular Weight188.055
Chemical FormulaNa2SiF6
UN No2674
Applicationceramic tableware
Other Namesodium hexafluorosilicate



2. Sodium Fluorosilicate Specifications

Sodium Fluorosilicate Specifications
ItemStandardResult
Sodium Silicofluoride99%min99.20%
Phosphorus Pentoxide0.01%max0.0030%
Loss of weight on drying at 105℃0.30%max0.22%
Free acid(as HCl)0.10%max0.07%
Chlorides(as Cl-)0.20%max0.08%
Sulphate(SO42-)0.25%max0.17%
Iron(Fe)0.02%max0.0015%
Water-insoluble matter0.5%max0.11%
Heavy metal (as Pb)0.01%max0.01%max



3. Sodium Fluorosilicate Applications

The main application areas of sodium fluorosilicate include wood preservation, concrete admixtures, ceramic glazes, and glass manufacturing. In wood preservation, sodium fluorosilicate can react with the moisture in the wood to generate fluoride with anti-corrosion properties, thereby protecting the wood from pests and mold. In concrete admixtures, it can improve the fire resistance and water resistance of concrete. In addition, sodium fluorosilicate is also used in the preparation of ceramic glazes, which can improve the smoothness and hardness of the glaze surface. In glass manufacturing, it helps to improve the transparency and strength of the glass.

The role of sodium fluorosilicate in ceramic tableware mainly includes the following aspects:

3.1 Enhance coloring performance: Sodium fluorosilicate can be used as a fluorinating agent to promote the reaction of coloring agents and enhance the coloring performance of ceramic tableware glazes by utilizing the fluoride ions it carries. Sodium fluorosilicate is an essential additive in the production of dark and bright colored glazes.


3.2 Reduce surface tension: Sodium fluorosilicate can reduce the surface tension of glaze, making it easier for glaze to be evenly distributed on the surface of ceramic tableware. When spraying glaze, the addition of sodium fluorosilicate can make the glaze adhere more evenly to the surface of porcelain and reduce bubbles and defects on the coating surface.


3.3 Increase viscosity: Sodium fluorosilicate can be used as a thickener to increase the viscosity of glazes. When brushing or spraying glaze, a higher consistency can make ceramic tableware glaze easier to grasp and operate, and can maintain the thickness and uniformity of the coating


4. Sodium Fluorosilicate Pictures and Packages


5. Bill of Lading for Sodium Fluorosilicate


China 99%min Sodium Fluorosilicate White Powder Sodium Silicofluoride Na2SiF6  In Ceramic Tableware factory
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