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
Artikel | Index | |
GM-70 | GM-75 | |
Al2Ö3 % | ≥70 | ≥75 |
Fe2Ö3 % | ≤0,8 | ≤0.6 |
Schüttdichte g/cm3 | ≥2.55 | ≥2.65 |
Scheinbare Porosität % | ≤17 | ≤15 |
Kaltdruckfestigkeit MPa | ≥90 | ≥100 |
0.2Mpa-Feuerfestigkeit unter Last ℃ | ≥1680 | ≥1700 |
Permanent Linear Change Rate % 1500℃×2h | -0.1~0.2 | -0.1~0.2 |
Thermoschockbeständigkeitszyklus 1100℃Wasserkühlung | ≥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, usw. It can also provide amorphous refractory materials, including refractory cement and refractory castables, usw. If you have any needs for refractory materials, please contact us.
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