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
Item | Index | |
GM-70 | GM-75 | |
Al2O3 % | ≥70 | ≥75 |
Fe2O3 % | ≤0.8 | ≤0.6 |
Bulk Density g/cm3 | ≥2.55 | ≥2.65 |
Apparent Porosity % | ≤17 | ≤15 |
Cold Crushing Strength MPa | ≥90 | ≥100 |
0.2Mpa Refractoriness Under Load ℃ | ≥1680 | ≥1700 |
Permanent Linear Change Rate % 1500℃×2h | -0.1~0.2 | -0.1~0.2 |
Thermal shock resistance cycle 1100℃water cooling | ≥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, dan lain-lain. It can also provide amorphous refractory materials, including refractory cement and refractory castables, dan lain-lain. If you have any needs for refractory materials, please contact us.
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