zinc oxide paint grade 99.5

zinc oxide paint grade 99.5

 

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Product name:	Zinc Oxide
CAS NO.	1314-13-2
EINECS NO.	215-222-5
Molecular formula:	ZnO
Density:	5.606g/cm3
Molecular weight:	81.38
Appearance:	White hexagonal crystal or powder

 

Most of zinc oxide paint grade 99.5 is used as white paint, and zinc oxide paint grade 99.5 is called Zinc white in paint.

zinc oxide paint grade 99.5 has a strong fluxing effect, zinc oxide can be used as a flux, mineralizer and glaze carrier for ceramic pigments.

However, zinc oxide paint grade 99.5 should be calcined at a high temperature before use, and the calcining temperature is 1200°C. Zinc oxide paint grade 99.5 can increase the gloss and whiteness of the glaze, and at the same time increase the elasticity of the glaze. Zinc oxide paint grade 99.5 can also expand the melting range and increase the brilliance of the glaze.

(1) The coefficient of expansion is low, and zinc oxide paint grade 99.5 has good effects of high thermal vibration and mechanical vibration;

(2) The content of cadmium oxide is 0.0001% in the zinc oxide paint grade 99.5,  the zinc oxide paint grade 99.5 has good gloss after being burned out, and does not affect the pigment background;

(3) The lead oxide content of zinc oxide paint grade 99.5 is 0.007%, and the burned pigment has good gloss, especially for low-lead and low-cadmium environmentally friendly pigments;

(4)The particle size of zinc oxide paint grade 99.5 is as small as 325 mesh, the specific surface area is large, and it has strong adhesion, which can solve the effect of pigment surface color.

(5)Zinc oxide paint grade 99.5 with high whiteness and strong hiding power

Zinc oxide paint grade 99.5 specification as following

Item	Type1	Type2	Type3
Zinc oxide（Zn0 calculating as dry materia)% ≥	99.7	99.7	99.5
Metal content（as dry)% ≤	none	none	0.008
Insoluble Matter in Hci %  ≤	0.006	0.008	0.03
Loss on ignition % ≤	0.2	0.2	0.25
Residue on sieve (45um)% ≤	0.1	0.15	0.2
Water soluble matter % ≤	0.1	0.1	0.15
Volatile matter in 105℃ % ≤	0.3	0.4	0.5
Lead(pb）% ≤	0.008	0.05	0.1
Copper(Cu)%  ≤	0.0002	0.0004	0.0007
Manganese（ Mn）%	0.0001	0.0001	0.0003
Cadmium (Cd）%	0.002	0.005	0.01
Iron (Fe）%	0.005	0.01	—

Above mentioned specification is our common products, if you have other requirement, please let us know, we can produce it as your detail information. OEM is ok in our plant.