Potassium Silico Fluoride

Potassium Silico Fluoride

Molecular Formula: K2SiF6
CAS No. : 16871-90-2
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25kgs,50kgs 1250kgs paper bag

Applications

1) Flus: Used as flux in the smelting of secondary aluminium
2) Glass processing: to produce synthetic mica and opalescent glass
3) Fluid property modulator : Includes antifoaming agents, coagulating agents, dispersion agents, emulsifiers, flotation agents, foaming agents, viscosity adjustors, etc
4) Soldering : Agents used in welding and soldering
5) Metal processing : is a water insoluble Silicon source for use in oxygen-sensitive applications, such as metal production

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Specifications
Items Unit Standards
A B C
Main content % ≥ 99.00 98.00 99.00
Chloric acid % ≤ 0.100 0.100 0.100
Sulfate % ≤ 0.050 0.050 0.050
Silicon % ≤ 0.400 0.400 0.400
Calcium % ≤ 0.010 0.010 0.010
Heavy metal % ≤ 0.050 0.100 0.100
Chloride % ≤ 0.050 0.050 0.050
Iron % ≤ 0.050 0.050 0.050
Moisture % ≤ 0.100 0.500 0.050
Insoluble matter in water % ≤ 0.500 0.500 0.500
Physical Properties
Items Unit Standards
Particle Size
+60mesh % 4.500 4.500 4µm-8µm
-60mesh/+200mesh % 74.50 40.50 4µm-8µm
-200mesh/+325mesh % 17.00 40.00 4µm-8µm
-325mesh % 4.000 15.00 4µm-8µm
Appearanc White free-flowing crystal Powder Superfine