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Zinc oxide

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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-26 03:23
Browse the number: 193
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Product details

English name:Zinc oxide
Molecular formula:ZnO
Molecular weight:81.39

Physical and chemical properties: white hexagonal system crystal or powder. Relative density is 5.606, refractive index is 2.008-2.029, melting point is 1975°C. It dissolves in acid, sodium hydroxide and ammonia chloride

Use:used as white paints and used in printing and dyeing, papermaking, match and medicine industry. It is used as natural rubber, sulfuration active agent of synthesis rubber latex, reinforcing agent and coloring agent in rubber industry. In addition, it is still used in electronic laser material, fluorescent powder, activator, etc.

Technical index:

Item

Index

Excellent grade product

Special grade product

Special grade product

Excellent grade product

First grade product

Qualified product

Zinc oxide(dry products),%≥

99.70

99.96

99.83

99.75

99.50

99

Metal( Zn ),% ≤

no

no

no

no

no

0.008

Lead oxide( Pb ),% ≤

0.037

0.0016

0.0031

0.0031

0.05

0.07

Oxides of manganese(Mn),% ≤

0.0001

0.0001

0.0001

0.0001

0.0001

0.0001

Copper oxide (Cu) , % ≤

0.0002

0.0002

0.0002

0.0002

0.0004

0.0004

Hydrochloric acid undissolved substance,% ≤

0.006

0.0002

0.001

0.001

0.008

0.009

Burning loss,% ≤

0.20

0.010

0.10

0.12

0.20

0.20

Residue on sieve(45um mesh),% ≤

0.10

0.01

0.02

0.05

0.15

0.20

Water soluble matter,% ≤

0.10

0.001

0.04

0.06

0.10

0.15

105 °C volatile,% ≤

0.30

0.06

0.12

0.15

0.40

0.50

Oil absorption,g/100g≤

-

14

-

-

14

14

Color(compared with standard sample)

-

similar

-

-

little

less

Reducing power(compared with standard sample),% ≥

-

100

-

-

95

90

Packing and storage:
Packing: Zinc oxide is packed in inner liner plastic film plastic weaving bag or waterproof bag and 25 kg for every bag.
Storage:Valid period for zinc oxide is 6 months since production date started and no unsoldering. It can be continued to use if achieving standard after getting standard testing when expiring.

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