ZINC OXIDE

Short Description:

Properties: this product is white powder, with specific weight of 5.606 and melting point of 1975°C. It is a kind of amphitheater oxide. , dissolving in acid, alkali, ammonium chloride and ammonia water, not dissolving in water and ethyl alcohol, sublimating when heating to 1800°C.

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Product Detail

Product Tags

Industrial zinc oxide

Uses: rubber products, ceramics, medicine, cosmetic, paint, printing & dyeing, magnetic, electronics, fodder, picture tube, etc.

Item	Index
		Rubber type		Coating type
		Top-grade	First grade	Top-grade	First grade
Appearance	White powder
Zinc oxide(Zn0 calculating as dry material),W/% ≥		99.7	99.5	99.7	99.5
Metal content(as Zn),W/% ≤		NO	NO	NO	0.008
Lead oxide(as Pb)，W/% ≤		0.008	0.05	0.010	-
Manganese's oxide(as Mn ),W/% ≤		0.0001	0.0001	0.0001	-
Cupric oxide(as Cu ),W/% ≤		0.0002	0.0002	0.0002	-
Cd,W/% ≤		0.002	0.005	0.010	_
Fe,W/% ≤		0.005	0.010	0.010	_
As,W/% ≤		_	_	_	_
Alkalinity,ml ≤		_	_	_	_
Insoluble matter in Hydroelectric acid,W/% ≤		0.006	0.008	0.008	-
Loss on ignition W/% ≤		0.2	0.2	0.2	-
Carbonate		_	_	_	_
Residue on 45um sieve W/% ≤		0.1	0.15	0.1	0.15
Water-soluble matter W/% ≤		0.1	0.1	0.1	0.1
Volatile matter in 105°C% W/%≤		0.3	0.4	0.3	0.4
Specific surface area/（m2/g)	agree
Oil absorption */g/100g	agree
Color* (compared with standard sample)	agree
Decoloration power*(compared with standard sample)≥	agree

Packing: plastic bag lined woven bag, net wt 25kgWe also offer special specifications to customers with special requirements.

Zinc oxide Pharmaceutical

Item	Chinese Pharmacopoeia 2015(CP)	British Pharmacopoeia（BP）	United states Pharmacopoeia（USP）
Content	≥99%	99.0-100.5%	99.0—100.5%
Alkalinity ≤	0.1ml	0.3ml	0.3ml
Loss on ignition ≤	1.0%	1%	1%
Sulphate ≤	0.005%	Qualified	Qualified
Carbonate and insoluble matter in acid	Qualified	Qualified	Qualified
Fe ≤	50PPm	200PPm	Qualified
Lead ≤	Qualified	50PPm	Qualified
As ≤	2PPm	5PPm	6PPm
Cadmium ≤	—	10PPm	—

Zinc Oxide Ar

Specifications	Index
Assay(ZnO) %min	99.0
Transparency of solution	Qualified
Matter insoluble in acid %max	0.01
Alkalinity	Qualified
Chloride (Cl) %max	0.001
Sulphuric compounds(SO₄) %max	0.01
Nitrate(NO₃) %max	0.003
Manganese(Mn) %max	0.0005
Iron(Fe) %max	0.0005
Arsenic(As) %max	0.00005
Lead(Pb) %max	0.005
Matter oxidezable by potassium permanganate(O) %max	0.002
Matter not precipitable by ammonium sulphide %max	0.1

Zinc Oxide For Varistor

Specifications	Index
Zinc oxide on dry sample % min	99.7
Potassium oxide（K） % max	0.0010
Sodium oxide（Na） % max	0.0010
Iron oxide（Fe） % max	0.0020
Cadmium oxide（Cd） % max	0.0050
Lead oxide（Pb） % max	0.035
Copper oxide（Cu） % max	0.0002
Metal Zinc（Zn） % max	无
Moisture % max	0.3
Matter insoluble in HCL % max	0.006
Loss on ignition % max	0.2
PH Value	7.0-7.8
Average particle size D₅₀ μm max	0.5
Residue on 45μm sieve % max	0.10

Active Zinc Oxide

Active Zinc Oxide(Y):

Specifications	Index
Zinc oxide %min	95
Loss on ignition %max	4
Matter insoluble in HCL %max	0.1
Residue on 45μm sieve %max	0.5
Specific surface area m2/g min	8-45
Lead oxide(Pb) %max	0.01
Manganese oxide(Mn) %max	0.0006
Copper oxide (Cu) %max	0.0006

Active Zinc Oxide(T):

Specifications	Index
Zinc oxide %min	95
Loss on ignition %max	5
Matter insoluble in HCL %max	0.2
Residue on 45μm sieve %max	0.5
Specific surface area m2/g min	30
Pile up proportion(g/ml) %max	0.8
Average particle size(D50) μm	10