chrome oxide green

Molecular formula: Cr₂O₃    Molecular weight: 151.99

Product format:
Hexagonal crystal or amorphous olive-green powder with metallic luster. Specific gravity: 5.21, Melting point: 226625 Boiling point: 4000 insoluble in water or acid. Soluble in hot metallic alkaline bromate solution. Extremely stable against light, air, high temperature & corrosive gases (SO₂, H₂S). High covering power, magnetic properties.

Applications:
Primarilly in smelting metallic chromium, chromium carbide, ceramics, grinding & polishing compounds, surface coatings, painting inks etc.

Packing:
Reinforced woven bag with plastic inner.
Net weight:25 or 40 kg.

N.B.:
Store in a dry place, avoid contact with moisture, acids & sunlight. Stored away from foodstuffs.

Specifications:

Pigment grade			Alloy grade
Item	Index		Item	Index
	High grade	1st grade
Cr2O3	99.00	99.00	Cr2O3	98.50
Lustre	standard, or as reqd		Fe2O3	<0.030
Colouring ability	95.00	95.00	Phosphorous	<0.001
Oil absorption	25.00	25.00	Cobalt	<0.001
Covering power	15.00	15.00	Manganese	<0.001
Residues above sieve %	0.50	0.50	Copper	<0.001
Moisture %	0.30	0.50	Nickel	<0.001
Solubles	asCr+6 5PPM	0.10	Lead	<0.001
Insolubles %	0.30	0.30	-	-