Magnesia Alumina Spinel Bricks MAS 90 Cover Cement Kiln Upper Transition Rings at 90 MgO

Product Overview MAS 90 uses a high MgO spinel body for kiln upper transition rings, a zone that alternates between thermal shock and alkali attack. Accurate dimensions keep the ring locked without mortar gaps. Key Features 90 percent MgO spinel body Plus or minus 1 mm dimension tolerance for ring lock Alkali and thermal shock resistance Long ring life with reduced hot spot risk Technical Specifications Parameter Value MgO Content 90% Bulk Density 3.02 g/cm3 Apparent Porosity