ZnO powder glass grade supplier and manufacturer - China factory

Product Description

ZnO powder glass grade

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ZnO powder has become an important chemical raw material. ZnO powder is used in different products. Its function is different, can produce different effects, and the specifications of zinc oxide required for different products are also different.

Let us first introduce the basic data of zinc oxide as follows.

Product name	Zinc oxide	Molecular formula	ZnO
CAS NO	1314-13-2	EINECS NO	215-222-5
Density	5.606g/cm3	Molecular weight	81.38
Melting point	1975℃	Boiling Point:	2360ºC
Purity	0.99	Active substance content	0.997
Appearance	White powder or crystal	H.S CODE	2817001000

Next, we will introduce the role of ZnO powder glass grade in glass, and what role ZnO powder glass grade will produce in glass

After adding ZnO powder glass grade to different types of glass, the glass can produce different special properties.

For example, using ZnO powder glass grade instead of 5% silica for photosensitive glass and photosensitive ceramics can significantly reduce the thermal expansion coefficient of the glass and increase the light sensitivity and light density by nearly 20 times.

Adding ZnO powder glass grade to optical glass can make the glass have high refractive index, UV absorption and light transmission performance.

ZnO powder glass grade gives electrical glass a series of electrical and semiconductor properties, enabling ZnO powder glass grade to be used in printed circuits, capacitors, resistors and conductive products

The specific specifications of ZnO powder glass grade are as follows:

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	—

If you have different requirements for the specifications of ZnO powder glass grade, please kingly let us know what the specific specifications are, and we will produce ZnO powder glass grade as your requirement.