Products description

Sodium chloride high purity 99% min
1.high quality
2.apperance: white, crystalline powder, or colorless crystals
3.Purity: industrial grade 95%,96%,98%,99%,99.5%

Sodium chloride
The chemical industry uses large amounts of sodium chloride salt to produce other chemicals. Chlorine and sodium hydroxide are electrolically produced from brine. Chlorine products are used in metal cleaners, paper bleach, plastics and water treatment. The chemical soda ash, which contains sodium, is used to manufacture glass, soaps, paper, and water softeners. Chemicals produced as a result of sodium chloride reactions are used in ceramic glazes, metallurgy, curing of hides, and photography.

Firefighting uses:
Sodium chloride is the principal extinguishing agent in fire extinguishers (Met-L-X, Super D) used on combustible metal fires such as magnesium, potassium, sodium, and NaK alloys (Class D). Thermoplastic powder is added to the mixture, along with waterproofing (metal stearates) and anti-caking materials (tricalcium phosphate) to form the extinguishing agent. When it is applied to the fire, the salt acts like a heat sink, dissipating heat from the fire, and also forms an oxygen-excluding crust to smother the fire. The plastic additive melts and helps the crust maintain its integrity until the burning metal cools below its ignition temperature. This type of extinguisher was invented in the late 1940s in the cartridge-operated type shown here, although stored pressure versions are now popular. Common sizes are 30 lb. portable and 350 lb.

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