white crystal or powder,no odor or taste,the relative density of hexagonal crystal system:3.08;that of cubic system:2.665(17℃),ph:a little below 7,having aborption,slightlysoluble in water,soluble in muriatic acid.Its solubility will increase a little with the temperature rise.Its insoluble in alcohol,and it hydroluzes potassium fluoride,hydrogen fluoride and silicic acid,and decomposes into potassium fluoride and silicon tetrafluoride when in ignition.
Specification:
standard:Q/FAFH 06-2002
K2SiF4
SO42
Cl
H2SiF2
Pb
H2O
Water in soluble
≥
≤
98
0.05
0.05
0.20
0.01
0.20
0.30
Packing:
packed with the plastic woven bag with Polyethyene plastic bag inside,the net weight:25kg each bag.
Usage:
used as antiseptic of limber industry;the assistant in smelting Mg and Al;in the production of potassium glass,optical glass and jealous glass in glass industry;insecticide in agricultural pesticide;intermediate of organic industry;analytical reagent in analytical chemistry;antiseptic matericals in chemical industrial production;pottery