Grain size of Zinc oxide

First: The Grain size of zinc oxide It's a very important factor in specification of zinc oxide. and because the customer's factory to produce oil products. that will be more important. Second: our engineer suggested me to send email or call the customer, and give him the Grain size of zinc oxide to him, and if possible, the customer's give us his requirement about the Grain size of zinc oxide. we can produce the zinc oxide to meet his need. OEM is Ok in our company.

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Product Description

Grain size of Zinc oxide

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Zinc oxide information:

Product name : Zinc oxide

Molecular formula: ZnO

CAS NO:1314-13-2

EINECS NO: 215-222-5

Molecular weight: 81.38Density: 5.606g/cm3

Seveval days before, One of my customer come from Janpan, sent one email to us an inquiry about the zinc oxide. Following is the content of the inquiry.

I would like to ask another questions below.

・Grain size of the zinc oxide.(μm）

・The purchase price in Japan.(estimations)

・With or without of treating the surface of grains.

There are three point of this inquiry. About the Grain size of the zinc oxide, I don't know it very clearly. So i went to the lab to talk it with our engineer.

My engineer heared my questions, and he told me some information like following.

First: The Grain size of zinc oxide

It's a very important factor in specification of zinc oxide. and because the customer's factory to produce oil products. that will be more important.

Second: our engineer suggested me to send email or call the customer, and give him the Grain size of zinc oxide to him, and if possible, the customer's give us his requirement about the Grain size of zinc oxide. we can produce the zinc oxide to meet his need. OEM is Ok in our company.

Third: Grain size of zinc oxide. 0.15--0.7μm

Through this customer email. i know that: Different products have different requirement about the Grain size of zinc oxide.

Like the in the Rubber, Ceramic, Cosmetic, Glass, Oil products ect, the Grain size of zinc oxide is smaller is better. But in the Zinc Oxide Arrester, the Grain size of zinc oxide is bigger is better.

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	—