Indirectness Zinc oxide

Product Property:
1. Molecular Formula: ZnO      Molecular Weight: 81.38
2. Appearance Character: white six-angled crystallization or powder, tastelessness, nontoxic and delicacy.
3. It is dissoluble in acid, NaOH, NH4C1 while indissoluble in water ethanol, and ammonia water. It is belongs to ambisexual oxide and has the function of absorbing ultraviolet rays.

Produce Usage:
It is abundantly applied in rubber industry, as it can enhance rubber product in elasticity and rub resistance. It is indispensable white paint in painting industry. Besides it's physical features, it also has the function of antisepsis, antifungi, anti-powdered, enhancing durability. Zinc oxide can also applied as intermedium in producing many chemical engineering materials and in pottery and porcelain, glass and textile industries. For example, it can be produced to rubber softener by react with organic acid which is intermedium in synthesizing zinc sulphide material.

Technology index GB/T3185-92
Item/specification BA01-05 ( I ) BA01-05 ( II )
Blue chip First Qualified product Blue chip First Qualified product
Zinc oxide (take dry product) % ≥ 99.70 99.50 99.40 99.70 99.50 99.40
Metal substance (take Zn) % ≤ nil nil 0.008 nil nil 0.008
Lead oxide (take Pb) %≤ 0.037 0.05 0.14 _ _ _
manganic oxide (take Mn) %≤ 0.0001 0.0001 0.0003 _ _ _
Copper oxide (take Cu) %≤/td> 0.0002 0.0004 0.0007 _ _ _
muriatic acid insoluble substance %≤ 0.006 0.008 0.05 _ _ _
loss on ignition %≤ 0.2 0.2 0.2 _ _ _
Residue on sieve %≤ 0.10 0.15 0.20 0.10 0.15 0.20
Hydrotrope %≤ 0.10 0.10 0.15 0.10 0.10 0.15
105? volatile matter %≤ 0.3 0.4 0.5 0.3 0.4 0.5
Oil absorption, g/100g≤ _ _ _ 14 14 14
color(compare with standard sample) _ _ _ near micro alittle
Reducing power (compare with standard sample) %≥ _ _ _ 100 95 90

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