Potassium Silicate

Potassium Silicate

Premium potassium silicate in three grades with moduli from 3.3 to 4.9. Excellent binder for refractories, welding rods, coatings, and drilling fluids.

Technical Specifications

Three grades (A, B, C) with moduli from 3.3 to 4.9.

SiO2, %Grade A: 22.0-23.0 / B: 19.0-19.8 / C: 16.0-16.8
K2O, %Grade A: 9.8-10.9 / B: 7.4-8.2 / C: 5.1-5.6
Solid Content, %Grade A: 31.8-33.9 / B: 26.4-28.0 / C: 21.1-22.4
Density, g/cm3Grade A: 1.28-1.33 / B: 1.23-1.26 / C: 1.16-1.18
pH ValueGrade A: 12.9-13.2 / B: 12.0-12.3 / C: 11.6-12.0
ModulusGrade A: 3.3-3.5 / B: 3.8-4.0 / C: 4.7-4.9
Water Insoluble, %<= 0.05 (all grades)

Performance

Potassium silicate is readily soluble in water and decomposes in acidic solutions to form silica. Its aqueous solution exhibits an alkaline reaction due to strong hydrolysis. Possesses excellent adhesive properties depending on silica modulus, concentration, and temperature.

Applications

  • Binder for refractory materials
  • Additive for oilfield drilling fluids
  • Manufacture of welding electrodes and rods
  • Production of vat dyes and flame-retardants
  • Curing agents for inorganic materials
  • Inorganic coatings, paints, and soap fillers
  • Pharmaceutical manufacturing

Packing

  • 25 kg woven bag
  • 25 kg kraft paper bag
  • 500 kg jumbo bag / 1000 kg jumbo bag
  • Customized packaging available upon request
  • Loading Port: Qingdao Port, China

Ordering Information

Minimum Order Quantity1 Metric Ton
Lead TimeApproximately 2 weeks
OEM ServiceAvailable
StorageCool, dry, well-ventilated place
Shelf Life24 months
Payment TermsNegotiable

Inquiry

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