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| REFRACTORY MATERIAL |
APPLICATIONS
Crude Kaolin is used to obtain ceramic refractory products and tiles and is especially used in the manufacture or white cement, due to its low iron content.
REFRACTORY PRODUCTS
We have special kaolins and chamottes for the manufacture of refractory products for vaying applications: firebriks, concretes, mortars, asphalts, in the internal lining of steel-making furnaces, in casting ladles, tiling for trucks, and in general, for all those specially-shaped parts, or pieces which are difficult to obtain by normal manufacturating methods. Our products are marketed in the grain sizes which clients need for the different applications mentiones previously.
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| REFRACTORY MATERIAL |
STONEWARE
Our chamotte is purpose-made for the fabrication of extruded stoneware, as well as other pieces of high-quality stoneware due to its great resistance to wear, scratching, sub-zero temperatures and abrasion as well as resistance to chemical corrosion. It is also used in the production of other ceramic articles.
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| STONEWARE |
BAUXITES AND OTHER PRODUCTS
In ARCICHAMOTAS, we market all kind of aluminiou products, such as corundum, kyanite, grphite, crucite and others.
The next table explains the CHEMICAL ANALYSIS, with indicative values:
| FORMULATION | PERCENTAGES % |
| Si O2 | 6 a 7,50 |
| Al2 O3 | 86 a 88 |
| Ti O2 | 3,60 |
| Fe2 O3 | 1,45 a 1,80 |
| Ca O | 0,24 |
| Mg O | 0,13 |
| Na2 O | 0,03 |
| K2 O | 0,25 a 0,30 |
Now you can see the PHISICAL CARACHTERISTICS of the Bauxite:
| GRAIN SIZING | |
| Standard | 0-50 m/m |
| PHISICAL CARACHTERISTICS | |
| Bulk specific gravity | 3,12 g/cm3 a 3,20 g/cm3 |
| Actual density | 3,70 g/cm3 a 3,73 g/cm3 |
| Volume porosity | 8,5 % a 9 % |
| Total porosity | 15 % a 16 % |
| Water absorption | 2,80 % a 3,1 % |
| Seger cone pyroscopic resistance | 38 - 1.850 oC |
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