Potassium Silicofluoride (powder, crystal, super-fine)

Product name: Potassium silicofluoride, Potassium fluorosilicate

CAS No.: 16871-90-2

Molecular formula: K₂SiF₆

Molecular weight: 220.27

UN No.: 2655

Technical index:

Item		Unit	Standard-A	Standard-B	Standard-superfine
Content [K₂SiF₆]		% ≥	99.00	98.00	99.00
Free acid [HCl]		% ≤	0.100	0.100	0.100
Sulfate [SO₄]		% ≤	0.050	0.050	0.050
Silicon [Si]		% ≤	0.400	0.400	0.400
Calcium [Ca]		% ≤	0.010	0.010	0.010
Heavy metal [Pb]		% ≤	0.050	0.100	0.100
Chloride [Cl]		% ≤	0.050	0.050	0.050
Iron [Fe]		% ≤	0.050	0.050	0.050
Moisture [H₂O]		% ≤	0.100	0.050	0.050
Insoluble matter in water		% ≤	0.500	0.500	0.500
Particle size	+60mesh	%	4.500	4.500	4μm-8μm
	-60mesh/+200mesh	%	74.50	40.50
	-200mesh/+325mesh	%	17.00	40.00
	-325mesh	%	4.000	15.000
Appearance			White free-flowing crystal	Powder	Superfine

Uses:

1, For wood preservative, ceramic manufacturing and smelting of aluminum and magnesium, agricultural insecticides.

2, For manufacturing optical glass, synthetic mica and enamel manufacturing.

Packing: 25kg/bag, 50kg/bag, 1250kg/bag, lined with PE woven bag/paper-plastic composite bag (or following your demands).

Inorganic acid series