Refractory used Magnesia Alumina Spinel

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Renwei minerals has a very strict quality assurance system to ensure each ton of final product is qualified.

Our quality department undertakes 24 hours tracking inspection to every process step

Alumina based sintered spinel using industrial alumina and high purity CCM as raw material, sintered by rotary kiln.

Alumina based sintered spinelHMAS-78HMAS-66HMAS-50
Chemical Composition IndexTypicalIndexTypicalIndexTypical
Al2O3 (%)75-7776.2964-6666.2649-5149.56
MgO (%)22-2422.4632-3432.0548-5048.43
CaO (%)0.30max0.290.50max0.470.65max0.62
SiO2 (%)0.20max0.160.30max0.280.35max0.34
Fe2O3 (%)0.20max0.170.30max0.260.35max0.33
Physical Properties
Bulk Densityg/cm33.25min3.303.25min3.293.25min3.29
Grain Size mm0-30mm or per your request
Packing in 1mt big bags with plastic inner layer and bottom spout

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