| Customization: | Available |
|---|---|
| Feature: | Long Time Materials |
| Refractoriness (℃): | 1770< Refractoriness< 2000 |
|
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The Bauxite main component is alumina, which is hydrated alumina with little impurities. It is a kind of mineral. White or gray color.the density is about 3.25g/cm3, hardness is 1-3, opaque and brittle. It's very difficult to melt. Insoluble in water, soluble in sulfuric acid, sodium hydroxide solution. It is mainly used for aluminum smelting and refractory.
General available grain size including 0-1mm,1-3mm,3-5mm,5-8mm,16-30mesh,30-60mesh,120mesh,200mesh,325mesh,or as customer's request.
There are 49 countries were known of plenty of bauxite stocked. China is one of the richest in bauxite resources, about 3.7 billion tons, ranking in the forefront of the world. China, together with Guinea, Australia and Brazil,all of them are big countries in bauxite resources around the world. However, only Guyana and China produce bauxite for refractories. Other countries have high ferrum content bauxite with low alumina content, which is mostly used for aluminum smelting and grinding materials
Bauxite in the refractory industry usually refers to the bauxite with calcined Alumina more than 48% and low Ferrum content. The high bauxite clinker is the Calcined Bauxite. The clinker is gray, light yellow and dark gray. It is mainly used for high alumina refractories and also for making fused brown corundum. Bauxite clinker is classified according to the content of Alumina and impurities such as Ferrum, as well as the bulk density and water absorption of clinker.
1. Aluminium metallurgy
2. Precision casting / Investment casting:
bauxite grog fines can be made into mold for precision casting.
3. Refractory: high alumina bauxite's refractoriness can reach 1780°C.
It is charactered by good chemical stability and mechanical performance. (Al2O3 ≥48% with low Fe2O3)
4. Ceramics industry
5. Aluminium silicate refractory fiber: The high alumina bauxite grog can melt under 2000°C-2200°C in the electric arc furnace.After a series of processing, it can become aluminium silicate refractory fiber,
which can be made into fiber blanket, plate,cloth.
6. Mixing magnesia and bauxite grog with binders to pour the molten steel ladle for better overall lining
performance.
7. Producing bauxite cement
8. Abrasive
9. Chemistry industry for all kinds of aluminium compound.
|
Grade |
Al2O3 % |
SiO2% |
Fe2O3 % |
TIO2 % |
K2O+Na2O % |
CaO+MgO % |
Bulk density g/cm3 |
|
85 |
≥85 |
≤9 |
≤2 |
≤4.0 |
≤0.3 |
≤0.45 |
≥3.00 |
|
86 |
≥86 |
≤8 |
≤1.8 |
≤3.8 |
≤0.3 |
≤0.45 |
≥3.10 |
|
87 |
≥87 |
≤7 |
≤1.8 |
≤3.8 |
≤0.3 |
≤0.45 |
≥3.20 |
|
88 |
≥88 |
≤6 |
≤1.6 |
≤3.8 |
≤0.25 |
≤0.45 |
≥3.25 |
Our Advantages:
1,We have our own raw material mine in domestic to guarantee high purity and stable quality
2,With our own lab for test and qualicty control,and own a professional science & technology team for develop
3,Big capacity for producing,we could adjust our plan follow customer's request,usually could finished within 2-3 weeks
4,Competitive price with good quality
5,Fine after sales service for you
1,Do you a factory or trader ?
A: We're manufacturer with trading company,belongs to government group.
2,Could I get some samples for test ?
A:OK,Samples free but need freight collect,We could return the delivery cost when in mass order
3,How do you confirm the quality ?
A:We have our own raw mineral mine and labs in Australia & Africa,with many professional machines and specialists.
Before loading into the jumbo bags,our QC would test the samples and get a specification report to guarantee the quality
4,What about the payment ?
A:TT,LC(100% Insight),and others could be accept.
5,How about the package ?
A:25/50 KG per small bag,1-1.5 ton per jumbo bag,25-26 ton per 20'GP container.Or Customized
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