refractory

Brand		MT 10A	MT 10B	MT 10C	MT 14A	MT 14B	MT 14C	MT 18A	MT 18B	MT 18C	MTK -74
Chemical composition	MgO	≥80	≥78	≥76	≥76	≥76	≥74	≥72	≥70	≥70	≥74
Chemical composition	C	≥10	≥10	≥10	≥14	≥14	≥14	≥18	≥18	≥18	≥16
Apparent porosity		≤4	≤5	≤6	≤4	≤5	≤6	≤3	≤4	≤5	≤4
Bulk density		≥2.90	≥2.85	≥2.80	≥2.90	≥2.82	≥2.77	≥2.90	≥2.82	≥2.77	≥2.90
Cold crushing strength		≥40	≥35	≥30	≥40	≥35	≥25	≥40	≥35	≥25	≥30
Hot bending strength		≥6	≥5	≥4	≥12	≥8	≥5	≥10	≥7	≥4	-
Oxidation resistance		Offering actual test data