Can you provide free samples?
Yes.FREE SAMPLES 5kg can be provided for your evalution.
Brown fused alumina fine powder 320 mesh 200 mesh
Brown fused alumina fine powder 320 mesh 200 mesh has the advantages of high refractoriness, wear resistance, Impact resistance, erosion resistance, high hardness, high bulk density, and purity. It is mainly used in refractory materials. With the advancement of high-temperature industrial technology and the improvement of process equipment, especially the implementation of new technologies such as blast furnace, converter, ladle, and continuous casting in the metallurgical industry, the adjustment of the variety and structure of refractory materials has been promoted. The proportion of brown fused alumina used in refractory materials has increased. The raw material of brown corundum has played a vital role in adjusting the variety of structures of refractory materials. Brown fused alumina is a refractory raw material in refractory materials. As an essential refractory raw material, it is mainly used in high-temperature industries such as foundry coatings, metallurgy, building materials, and chemicals.
Brown fused alumina fine powder 320 mesh 200 mesh：
Brown fused alumina fine powder 320 mesh 200 mesh is made of high-quality bauxite, anthracite, and iron filings. It is cooled and smelted at a more than 2000 degrees temperature in an electric arc. The available size is 100#-0, 200#-0, 320#-0, and 0-1mm. It is crushed and shaped by a jaw crusher and a ball mill. After magnetic separation, the sieve is divided into various kinds. Its compact texture, high hardness, suitable for the manufacture of ceramics, grinding of high tensile metal and grinding, polishing, sandblasting, precision casting, etc., can also be used to manufacture advanced refractory materials.
Chemical index of brown fused alumina fine powder 320 mesh 200 mesh
|
Grit Size
|
Al2O3
|
TiO2
|
|
0-1mm
|
>95.2%
|
<3.5%
|
|
200mesh
|
>95.0%
|
<3.5%
|
|
325mesh
|
>95.0%
|
<3.5%
|
Physical index of brown fused alumina fine powder 320 mesh 200 mesh
| Color | brown |
| Basic Mineral | α-AI2O3 |
| Crystal shape | Trigonal crystal system / Hexagonal crystal shape |
| Hardness(Mohs) | ≥9.0 |
| Microhardness | HV2200-2300 |
| Melting point(℃) | 2250 |
| Max temperature(℃) | 1900 |
| True density(g/cm3) | 3.96 |
| Bulk density(g/cm3) | 1.75-1.95g/cm3 |
Brown Fused Alumina（FAQ）
Can i get sample in free , how long is the time?
Yes, certainly. We will provide the sample is in free below 5 kgs for free, and the freight cost for free in 1kg. We could arrange the existing samples express delivery immediately. For any special samples requirement, it need max 7 days finished. Usually we send samples by TNT ,FEDEX,
Can customer ask for the third party certification?
Yes, No problem, but Customer resposiable for the charge.
What is grit size?
Grit size typically runs from coarse (16 -24 grit), medium (36 – 60 grit) and fine (80-120 grit). Superfine grits run from 150 and higher. Grinding wheels usually will be between 24 and 100 grit. Honing stones and jointing stones and other polishing abrasives will be 150 grit and higher.
What is your sample policy?
We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
What is melting vs. Sintering?
When processing minerals in a furnace, materials can either be melted or sintered. When materials are melted during the production process the minerals go from a solid state, to a liquid state, then is re-solidified during the cooling process creating uniformity in the chemistry throughout the entire batch. The sinerting process
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