Zinc sulphate

Index Item	Index
	Type I			Type II
	Super Grade	Grade1	Qualified Grade	Super Grade	Grade1	Qualified Grade
Zinc oxide   %≥	99.70	99.50	99.40	99.70	99.50	99.40
Metallic metals (as Zn) %≤	None	None	0.008	None	None	0.008
Lead oxide (as pb)     %≤	0.037	0.05	0.14	-	-	-
Manganic oxide (as Mn) %≤	0.0001	0.0001	0.0003	-	-	-
Copper oxide (as Cu)   %≤	0.0002	0.0004	0.0007	-	-	-
Insolubles in HCL solution%≤	0.006	0.008	0.05	-	-	-
Losses on ignition      %≤	0.2	0.2	0.2	-	-	-
Screening residues (through 45μm mesh)   %≤	0.10	0.15	0.20	0.10	0.15	0.20
Soluble matters in Water %≤	0.10	0.10	0.15	0.10	0.10	0.15
Volatile matters at 105°C %≤	0.3	0.4	0.5	0.3	0.4	0.5
Oilabsorption  g/100g  ≤	-	-	-	14	14	14
Colour (compared with standard specimen)	-	-	-	Similar	Few	Little
Colour killing ( Compared with standard specimen)           %≥	-	-	-	100	95	90

Uses:For paint,printing ink,rubber,cable, medicines,electronics ,papermaking ,enamel,match,cosmetic and other chemical industry application.
Packing: 25kg, 50kg, big sack bag or as required by the customer.