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Hengyang yuxing Chemical.Co.,Ltd was found on June 28,1997,located in Huaxin development Zone in hengyang hunan china.our company has grown into the large production base in hunan region Fertilizer grade and Free grade Zinc Sulphate .
Our main chemical products are Zinc Sulphate ,Zinc Carbonate ,Zinc Oxide ,Manganese Sulphate Monohydrate, Thiourea ,Barium Carbonate ,Arsenic Metal,Cryolite, precipitated Barium Sulphate.
All product are in line with national standard.Products with excellent quality and high quality service ,reliable quality guarantee system has been exported to the United States and the Canada more than 20 countries .
Product Name :CRYOLITE
Specification:
Quality standard
GB/4291-1999
|
Chemical compositions % |
||||||||
F |
AL |
Na |
SiO2 |
Fe2O3 |
S04 |
P2O5 |
H02 |
Ignition (550°C) |
|
|
Min. |
Max. |
|||||||
Special grade (A) |
53 |
13 |
32 |
0.25 |
0.05 |
0.7 |
0.02 |
0.4 |
2.5 |
First grade (B) |
53 |
13 |
32 |
0.36 |
0.08 |
1.0 |
0.03 |
0.5 |
3.0 |
Properties:
The product is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95—3.01g/cm3, melting point about 1000°C, specific heat 1.056j/g°C at 18—100°C. It’s slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800°C will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively.
Uses:
It’s mainly used as a flux in the aluminum smelting by fused-salt electrolysis; also an opalizer in the manufacture of enamel; an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.
Our Advantages:
1. Strong production capacity, about 1000 tons per month;
2. Competitive price and best service;
3. Certificate: ISO9001:2000
Our Services
1.We adheres to the corporate spirit of " unity,diligence,truth-seeking,and innovation on the way of rapid development.
2.By the high_quality products,competitive price and perfect service .
3.We have 10 years of exporting experiences, and we know how to service customers.
4. We have a strong team, which can cooperate with each other very smoothly, could guarantee effective communication.
shippment :
Within 15 days
Plastic woven bag of net 25kg/bag, 50kg/bag, 1000kg/bag or as your required.
Contact to us:
sales:Daisy Dai
Tel:+86-734-8855599-608
Mobile:+86-17707345599
QQ:649137272
Http:
Send Inquiry to This Supplier
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