Name: ML-70 mullite alumina refractory fire brick products
Brand: yonganda
Availability: InStock

Product Details

ML-70 mullite alumina refractory fire brick

$ML-70 mullite alumina refractory fire brick products$

Item	Specification
Al2O3, % ≥	60	56	52
Fe2O3, % ≤	1.0	1.2	1.3
Refractoriness,.C ≥	1790	1790	1790
Bulk density, g/cm3 ≥	2.45	2.45	2.45
Apparent Porosity, % ≤	16	18	20
Cold Crushing Strength, Mpa ≥	50	45	40
Refractoriness Under Load 0.2Mpa, .C ≥	1680	1650	1600
Permanent linear change on reheating,1450.C *3h	+0.2~0	+0.2~0	+0.2~0
Creep 0.2Mpa*50h, % ≤	0.6 (1500.C)	0.8 (1450.C)	0.8 (1400.C)