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Properties: colorless or white hexagonal or orthorhombic crystal or granular powder. Relative density 2.662 Softening point 588 ℃, melting point 1069 ℃, boiling point 1689 ℃. Soluble in water (12G/100ML water at 25 ℃, 24.1G/100ML water at 100 ℃), insoluble in alcohol, acetone and carbon disulfide.
Specification: military grade potassium sulphate
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Index |
Unit
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Standard value
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Potassium sulphate
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% ≧
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99.0
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Chloride(Cl)
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% ≦
|
0.002
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Iron
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% ≦
|
0.001
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Magnesium
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% ≦
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0.01
|
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Calcium
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% ≦
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0.03
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Water insoluble matter
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% ≦
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0.8
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PH value
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-
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7 ± 1
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Particle size 120 mesh residue on sieve
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% ≦
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5
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Appearance
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-
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White crystal, no visible impurity
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Specification: Industrial grade potassium sulphate
|
Index |
Unit
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Standard value
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Potassium sulphate
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% ≧
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98.5
|
|
Chloride(CL)
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% ≦
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0.05
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Iron
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% ≦
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0.02
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Heavy metal(Pb)
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% ≦
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0.002
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Packing: woven bag, lined with plastic bag, net weight 40KG.
Storage and transportation: Keep in dry and well-ventilated warehouse. It shall be tightly sealed to guard against damp.
Uses: This product can be used as antismoke agent for bullet in military industry; as chemical fertilizer in agriculture; as intermediate for dye industry; as auxiliary in spice industry; as additive in food industry.
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