High purity indirect zinc oxide supplier and manufacturer - China factory

Product Description

High purity indirect zinc oxide

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High purity indirect zinc oxide is used in the rubber industry, mainly as a vulcanization activator, reinforcing agent and coloring agent for natural rubber, synthetic rubber and latex. It can also be used in coatings, inks, papermaking, medical, chemical, ceramics, glass, matches, cables, and cosmetic industries. It has a wide range of applications and can also be used in medicine. Among them, it also plays a great role in medical dental treatment.

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
H.S CODE	2817001000	Appearance	White powder or crystal

High purity indirect zinc oxide is a commonly used drug in oral treatment, and there are three main functions of zinc oxide.

1. High purity indirect zinc oxide is used for temporary sealing in treatment. Clove oil zinc oxide cement can be used as a base material, can also be used as an experimental filling, and can also be used to temporarily seal drugs. When a patient undergoes root canal treatment, the doctor will temporarily seal the pulp hole with zinc oxide at the end of each course of treatment to prevent oral saliva from contaminating the pulp cavity.

2. High purity indirect zinc oxide is used for the bonding of temporary crowns. When the patient undergoes full crown treatment, a temporary crown must be used to protect the tooth after the tooth is prepared before the official crown is put on. At this time, zinc oxide is required to bond the temporary crown.

3. High purity indirect zinc oxide is used to soothe deep caries. Some deep caries pulp has symptoms of congestion and irritation, and zinc oxide clove oil cement has a soothing effect, which can slowly transform the congested and irritated pulp into normal. Generally, it can be comforted for two weeks after removing the humus.

Standard:《HG/T4532-2013》
Item	type1-1	type1-2	type2-1	type2-1
Zinc oxide（Zn0 calculating as dry materia)%≥	99	85	99.8	95
loss on drying %≤	0.8	—	—	0.8
Water soluble matter %≤	0.2	0.4	0.05	0.4
Lead ( pb）%≤	0.001	0.001	0.001	0.001
Mercury（Hg）%≤	0.0003	0.0003	0.0003	0.0003
Cadmium (Cd）%≤	0.0003	0.0003	0.0003	0.0003
Arsenic（Ar）%≤	0.0003	0.0003	0.0003	0.0003
SEM average particle size/um≤	80	80	—	80
specific surface area（m3/g）≥	15	30	—	40

The high purity indirect zinc oxide produced by Milestone Industrial Co. Ltd. uses strict materials, selects "No. 0" refined zinc from top domestic metallurgical companies, and adopts the most advanced production technology and the best testing methods. The quality management system has passed ISO9001 certification. The purity of the product is high, and the indexes are superior to the domestic and international advanced standards, which can meet the special requirements of users.