Fused And Re-Sintered Mullite Brick

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.