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Varnish zinc oxide

Varnish zinc oxide

Place of Origin : China
Certification : ISO9001
MOQ : 20
Packaging Details : 25kg/bag, 1 MT per pallet, 20 MT per container with pallet and 22MT without pallet
Delivery Time : 7-15 after accept the order
Payment Terms : TT,LC at sight
Supply Ability : 1000mt per month
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Product name: Varnish zinc oxide
Product catalogue: zinc oxide
Product introduction: varnish zinc oxide has high pigment characteristics, widely used in coating industry, especially anticorrosive varnish and primer in which the content of the zinc oxide can reach 30%.
Basic property:
Molecular formula:Zno Molecular weight:81.39
White or fine slight yellow powder, specific gravity 5.5-6.5g/cm3, specific surface 8 m2/g, granularity 0.15-0.7μm, refraction index 1.95-2.05, the specific heat 0.0915c/g℃ at 20℃, meltingpoint 1973℃, it has the phenomenon of evaporation at 1000℃.
Chemical property:
① zinc oxide can be restore to the original state by carbon, carbon monoxide and hydrogen at high temperature.
② Zinc oxide is an amphoteric-oxide, which is slight soluble or insoluble in water. It generate relevant arsoniumsalt after reaction with acid, Zn(OH)2 after reaction with alkali and basic zinc carbonate reaction with carbon dioxide and other acid gases.
Execution standard: enterprise standard: HHXPQB-YHX ( TL )-2005
Physical and Chemical indictaors:


Specification

For varnish

Number 1

Number 2

Number 3

Zinc oxide( ZnO ),% ≥

98.0-99.0

95.0-97.0

90.0-93.0

metal(on Zn ),% ≤

N/A

Burning weight loss,% ≤

0.6-0.8

1.0-2.0

screenings(wet sieve 100 mesh) , % ≤

0.3-0.5

1.0-1.5

2.0-3.0

Water soluble,% ≤

0.8-1.0

1.2-1.5

2.0-2.5

105 ℃ volatile matter, % ≤

0.4-0.6

1.0-1.2

1.5-2.0

Oil absorption, g/100g ,% ≤

20

25

35

Reducing power(comparing with standard sample),% ≥

95-100

90-95

85-90

color(comparing with standard sample)

Up to standard sample


Application: varnish zinc oxide has high pigment characteristics, widely used in coating industry, especially anticorrosive varnish and primer in which the content of the zinc oxide can reach 30%.

Package, transport, stockpile:
Polywoven bags with polythylene film bags inside or waterproofing paper bags, net weight: 50kg/bag, dimension: 580 × (1100-1250)mm.
It should have covering during the transportation to prevent rain and damp.
Keep away from Alkalis and acid during transportation.
It should stored in dry and ventilated place.
It is strictly prohibited to contact with alkalis.


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