CHEMICAL FORMULA：KHF2
APPLICATION：Be used as anti-corrosion agent to wood ; corrosive agent of glass ,auxiliary for silver products;raw material for other Fluoride salts series.
DESCRIPTION：A colorless cubic crystalline,with a slight acidity and odorous flavor.Density in 2.37 Melting point on 225℃.dissolved in water ,with toxic.
SPEC. |
Inport grade |
Reagent grade |
Executive Standard |
USP-27&KF |
沪Q/HG22-509-85 |
purity％ |
≥99.0％ |
≥99.5％ |
chloride（Cl）％ |
≤0.01％ |
≤0.005％ |
sulphate（SO4）％ |
≤0.02％ |
≤0.005％ |
Fluoride silicate (in K2SiF6dollars)% |
≤0.10％ |
≤0.15％ |
Heavy metal(Pb）％ |
≤0.003％ |
≤0.003％ |
Bulk Density kg / L |
0.9 |
|
Solubility |
|
|
Ni |
≤0.001％ |
≤0.001％ |
Fe％ |
≤0.003％ |
≤0.002％ |
Loss on drying％ |
≤0.2％ |
≤0.5％ |
Middle Control Item |
White degree％ |
95％（100） |
95％（100） |
Permeation rate 15％ |
99％ |
99％ |
Particle size(micron)
|
30-80 (95％) |
20-80( 90％) |
Store period |
One year |
One year |
Provide reference |
Produce technics |
99.5％HF synthesize |
Export grade |
packing |
50KGdrums |
50KG drums |
Remark：We may make special specification according to customer’s requires. |
