Fused and re-sintered mullite brick is made of high-purity fused raw materials, ultrafine powder, and composite additives through high-pressure forming and high-temperature sintering. They have high strength、high refractoriness under load、thermal stability and other excellent features.
Specification of fused and re-sintered mullite brick
Articolo | Indice | |
GM-70 | GM-75 | |
Al2O3 % | ≥70 | ≥75 |
Fe2O3 % | ≤0,8 | ≤0,6 |
Densità apparente g/cm3 | ≥2,55 | ≥2,65 |
Apparent Porosity % | ≤17 | ≤15 |
Cold Crushing Strength MPa | ≥90 | ≥100 |
0.2Refrattarietà MPA sotto carico ℃ | ≥1680 | ≥1700 |
Permanent Linear Change Rate % 1500℃×2h | -0.1~0.2 | -0.1~0.2 |
Ciclo di resistenza agli shock termici 1100 ℃ raffreddamento ad acqua | ≥18 | ≥20 |
About Rongsheng Refractory Company
Rongsheng is a refractory manufacturer that can provide different types of refractory bricks, including high-alumina bricks, mullite insulation bricks, refractory clay bricks, ecc. It can also provide amorphous refractory materials, including refractory cement and refractory castables, ecc. If you have any needs for refractory materials, Si prega di contattarci.

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