The potassium carbonate domestic market
is divided between the glass industry and other numerous applications.
Video glass accounts for 21 percent of potassium carbonate usage,
while specialty glass and ceramics use nine percent.
Potassium carbonate has a wide variety of uses outside of the
glass industry. Some of the major applications that account for
70 percent of the potassium carbonate produced include potassium
silicate, pharmaceuticals, food, detergents and cleaners, photographic
chemicals, agricultural, gas purification, rubber additives,
polymer catalysts, potassium bicarbonate, cement and textiles.
- Glass - Source of K2O for alkali barium,
lead or strontium silica glasses used in television tube production,
illuminating ware, tubing, laboratory glass, optical glass
and tableware.
- Ceramics - Used in titanium dioxide frits
for appliance industry
- Dyes and pigments
- Chemicals - including fertilizers, drugs,
gums, adhesives, rocket fuel, inorganic chemicals and more
- Food - chocolate "alkalyzing" processing
of cocoa powder, effervescent mineral water, special leavening
agents, brewing beer, raisin drying, cattle feed additive,
alfalfa drying
- Cleaners - washing, bleaching, boiler
compounds, liquid soaps, metal cleaners
- Gas purification - removal of caron dioxide
and other acidic gases by absorption in a solutin of potassium
carbonate.
- Other - leather tanning, perfume, refrigeration,
fire extinguishers, photography, flameproofing, electroplating,
rubber additives
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