Potassium Silicate

Potassium silicate is the name for a family of inorganic compounds. These are white solids or colorless solutions.

(Solid) Weight ratio Si O 2: K 2 O varies with grade from 2.1:1 to 2.5:1; colorless anhydrous lump, shattered or granular. Soluble in water at high temperature and pressure; insoluble in alco- hol. (Solution) Colorless liquid, B′e range 29–48 degrees.

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CAS No.: 1312-76-1

EINECS: 215-199-1

Molecular Formula: K2O3Si

Molecular weight: 154.28

Appearance: White powder

HS Code: 2839900090

Application

It is used as fire retardants, woodwork protection against fire.

In horticulture, potassium silicate is used as a soluble source of potassium and silica. It makes the growing medium more alkaline. It is also used as a supplement (in conjunction with normal fertilizer) for the numerous benefits that increasing the availability of silicon compounds has.

Some metal cleaning formulations use potassium silicate, which also serves as a corrosion inhibitor. It also finds various uses in the fabrication of welding rods or even of cosmetics.

Specifications:

Index Name HY-1 Specification HY-2 Specification
Modulus 2.30-2.50 3.20-3.40
SiO2, % 48.0-54.0 60.0-66.0
K2O, % 31.0-35.0 28.0-32.0
Dissolved Speed (s) <60 <120
Apparent Density (g/ml) 0.50-0.80 0.50-0.80
Fineness (Sieving Residue, 100mesh) <5 <5

Packaging

25kg/bag or according to the requirement of clients.

Storage

Stored in a cool place. Keep away from goods that can affect the quality of the goods, against damp. Careful load and unload, be care not pollute or torn the package, avoid rain and insolation during transportation.