<1>Anti Calcine Refractor Article(2):

     

Brand	MT 10A	MT 10B	MT 10C	MT 14A	MT 14B	MT 14C	MT 18A	MT 18B	MT 18C
MgO    (%)    ≥	80	78	76	76	74	74	72	70	70
C    (%)    ≥	10	10	10	14	14	14	18	18	18
Apparent porosity (%)      ≤	4	5	6	4	5	6	3	4	5
Bulk density (g/cm3)    ≥	2.90	2.85	2.80	2.90	2.82	2.77	2.90	2.82	2.77
Crushing strength (MPa)      ≥	40	35	30	40	35	25	40	35	25
Hot bending strength (1400℃×30min)MPa≥	6	5	4	14	8	5	12	7	4
Refractoriness under 0.2MPa load (℃)  ≥	1700	1700	1700	1750	1750	1750	1750	1750	1750

<2>Clayey Refractor Article:

     

Brand	N-1	N-2a	N-2b	N-3a	N-3b	N-4	N-5	N-6
Refractoriness (℃)≥	1750	1730	1730	1710	1710	1690	1670	1580
Refractoriness under 0.2MPa load (℃)  ≥	1400	1350		1320		1300
Permanent linear change%(1400℃×2h)	+0.1 -0.4	+0.1 -0.5	+0.2 -0.5
Permanent linear change%(1350℃×2h)				+0.2 -0.5	+0.2 -0.5	+0.2 -0.5	+0.2 -0.5
Apparent porosity (%)      ≤	22	24	26	24	26	24	26	28
Crushing strength (MPa)      ≥	300	250	200	200	150	200	150	150