Chrome Oxide Green - Shijiazhuang Guangwei Chemicals Imp.&Exp. Co., Ltd .

Chrome oxide green (chromic oxide)

Quality standard:HG/T 2775-1996

Item
Item	Best quality	First quality
Cr2O3), content%	99.0	98.0	99.0	99.0
Water content,%	0.15	0.30	0.15	0.15
Content of insoluble substance in water,%	0.1	0.4	0.2	0.2
PH	6-8	5-8	No regulation	No regulation
oil absorption ,g/100g	1.5-2.5	1.5-2.5	2.0	2.0
Cast	Satisfactory	Satisfactory	No regulation	No regulation
Relative colouring power ,%	Satisfactory	Satisfactory	No regulation	No regulation
Sieve residue ,%,45um	0.1	0.3	0.3	0.5
	-	-	-	5ppm

Item	Index
	For use of type I pigment			For use of type H abrasive
	Best quality	First quality	Qualified products	Best quality	First quality	Qualified products
Chromic oxide (Cr2O3), content%	99.0	98.0	97.0	99.0	98.0	97.0
Water content,%	0.15	0.30	0.50	0.15	0.30	0.50
Content of insoluble substance in water,%	0.1	0.4	0.7	0.2	0.4	0.7
Aqueous solution ,PH	6-8	5-8		Irregular
oil absorption ,g/100g	15-25			20	25
Cast	Satisfactory			No regulation
Relative colouring power ,%	Satisfactory			No regulation
Sieve residue ,%,45um	0.1	0.3	0.5	0.3	0.5	75um 0.5
Note:Cast standard and relative colouring power should be negotiated by manufacturers and customers.

Use:

Mainly used in the pigment of paint, glass, pottery and porcelain, porcelain enamel, cement ,used in polishing metal, producing pigment,carbuncle ,printing bank paper, also used as catalyzer of organic synthesis.