| Potassium
Fluorosilicate 
Formulae:
K2SiF6
Molecular Weight: 220.26
UN.NO: 2655
HAZARD CLASS : 6.1
H.S.CODE: 2826.2000
Physical chemistry properties: Colorless,
Poisonous crystal or powder,It is weak acid and has
moisture absorption character.Relative density is 3.08
for hexasquare crystal and 2.665 for cubic crystal(17°C).The
solubility is small in water and dissolvable in hydrochloric
acid.The solubility fluoride,silicic zcid and hydrogen
fluoride in hot water.Decomposed as potassium fluoride
and silicon fluoride when it burned.
Introduction: It can be used as antiseptic
of wood,assistant reagent in magnesium and aluminium
smelted,insecticide in agriculture,intermediate in organic
synthesization,chemical reagent in analytical chemistry.Also
used in antisepsis material,porcelain enamel,high quality
welding rod production and mica synthesization.
Quality standard:
Index
name |
chemical
composition |
| K2SiF6
%≥ |
98 |
| Dissociation(as
H2SiF6) %≤ |
0.1 |
| H2O
%≤ |
0.5 |
| Water
undissolvable substance %≤ |
0.5 |
Package
and transportation: Packed in two layers polyethylene
Knitting bag.Net weight 25kg.Please pay attention to
package bag for protecting the bag damage and dampness
in transportation.
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