Potassium carbonate

industrial grade

Name: Potassium carbonate

Molecular formula: K2CO3

Molecular weight: 138.2

HS CODE: 28364000

Properties:

Colorless or white hexagonal or orthorhombic crystal or granular powder. Relative density is 2.662, inversion point is 588 ℃, melting point is 1069 ℃, boiling point is 1689 ℃. Soluble in water (12G／100ML water at 25 ℃, 24.1G／100ML water at 100 ℃), insoluble in alcohol, acetone and carbon disulfide.

Uses:
Potassium carbonate functions as raw material for producing electronic valve, television pictrue tube and glass shell of computer monitors.

Name: Potassium carbonate

Molecular formula: K2CO3

Molecular weight: 138.2

HS CODE: 28364000

Properties:

Colorless or white hexagonal or orthorhombic crystal or granular powder. Relative density is 2.662, inversion point is 588 ℃, melting point is 1069 ℃, boiling point is 1689 ℃. Soluble in water (12G／100ML water at 25 ℃, 24.1G／100ML water at 100 ℃), insoluble in alcohol, acetone and carbon disulfide.

Uses:
Potassium carbonate functions as raw material for producing electronic valve, television pictrue tube and glass shell of computer monitors.

Specification: industrial grade potassium carbonate (GB/T 1587-2000)

Item	Unit	Superior grade	TV glass grade	First grade	Qualified grade
Assay (K2CO3 )	% ≧	99.0	99.0	98.5	96.0
Chloride (KCl)	% ≦	0.01	0.03	0.10	0.20
Sulfur compound (K2SO4)	% ≦	0.01	0.04	0.10	0.15
Iron	% ≦	0.001	0.001	0.003	0.010
Water insoluble matter	% ≦	0.02	0.04	0.05	0.10
Loss on ignition	% ≦	0.6	0.8	1.00	1.00