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The refractory materials are used in linings for furnaces, kilns, incinerators, and reactors. They retain its strength at high temperatures keeping its chemical-physical properties, resistance and low thermal and electrical conductivity.
AL is a white aluminum oxide obtained from the fusion of calcined alumina in electric arc furnace. It is recommended for refractory applications where purity, chemical stability or high refractoriness is an issue to be considered.
| Chemical Analytics by XRF (%) | ||
|---|---|---|
| Al2O3 | Fe2O3 | Na2O |
| 99.64 | 0.03 | 0.33 |
Technical Data Sheet
ALOCAL is a brown fused aluminum oxide obtained from the fusion of high purity bauxites in electric arc furnaces. ALOCAL is heat treated in a rotary kiln at high temperatures and magnetic treated. These procedures guarantee low iron content in the product and it is recommended for refractory applications.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | TiO2 | SiO2 | Fe2O3 | MgO |
| 97.59 | 1.22 | 0.49 | 0.21 | 0.04 |
Technical Data Sheet
ALOTAB is a brown fused aluminum oxide obtained from the fusion of high purity bauxites in electric arc furnaces. Due to its high content of Al2O3 and low iron content ALOTAB is recommended for refractory applications.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | TiO2 | SiO2 | Fe2O3 | MgO |
| 97.51 | 1.28 | 0.51 | 0.22 | 0.05 |
Technical Data Sheet
AR is a brown fused aluminum oxide obtained from the fusion of high purity bauxites in electric arc furnaces. It presents an excellent cost/benefit relation, being recommended for refractory application where a high iron content is not an issue. AR splits bigger than 2.00mm are not recommend for molded refractories used at temperatures higher than 1,300 oC.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | TiO2 | SiO2 | Fe2O3 | MgO |
| 95.93 | 1.74 | 0.95 | 0.76 | 0.14 |
Technical Data Sheet
MAE-26 is a fused Alumina-Magnesia Spinel obtained from fusion of alumina and magnesia in an electric arc furnace. It presents high chemical stability due to its macro crystal. MAE-26 is recommended for refractory applications.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | MgO | SiO2 | Fe2O3 | Na2O |
| 73.60 | 25.82 | 0.02 | 0.06 | 0.24 |
Technical Data Sheet
MUB is a fused mullite obtained from fusion of high purity sand and alumina in an electric arc furnace. It presents low thermal expansion and high thermal shock resistance that make MUB an excellent material for investment casting and other refractory applications.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | SiO2 | Fe2O3 | Na2O | CaO |
| 73.81 | 25.86 | 0.03 | 0.24 | 0.04 |
Technical Data Sheet
MUBS is a product obtained by the fusion of quartz and alumina in an electric arc furnace. Purity is slightly lower than the MUB, it also has low thermal expansion and high thermal shock resistance, which makes MUBS an excellent material for investment casting and other refractory applications.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | SiO2 | Fe2O3 | Na2O | CaO |
| 75.05 | 24.16 | 0.19 | 0.37 | 0.11 |
Technical Data Sheet
MUW is a fused mullite obtained from fusion of high purity sand and alumina in an electric arc furnace. It presents low thermal expansion and high thermal shock resistance that make MUW an excellent material for investment casting and other refractory applications.
| Chemical Analytics by XRF (%) | ||||
|---|---|---|---|---|
| Al2O3 | SiO2 | Fe2O3 | Na2O | CaO |
| 73.26 | 26.37 | 0.02 | 0.29 | 0.04 |
Technical Data Sheet