莫来石保温砖JM30

Items	KY-JM23	KY-JM26	KY-JM28-1	KY-JM28-2	KY-JM30
ºC Service temperature	1260	1430	1540	1540	1650
(B.D.)g/cm3         ≤ Bulk density	0.5	0.8	0.9	0.95	1.05
Mpa              ≥ MOR	0.7	1.1	1.5	1.6	2.0
Mpa              ≥ CCS	1.0	2.0	2.2	2.3	2.7
ºC PLC	%	0.3	0.4	0.5	0.5	–
	ºC×8h	1230	1400	1510	1510
1090ºC%≤ Reversible coefficient of thermal expansion	0.6	0.7	0.8	0.8	0.9
w/m.k≤ Thermal conductivity	400ºC	0.15	0.28	0.32	0.33	–
600ºC	0.17	0.31	0.34	0.36	–
800ºC	0.19	0.33	0.36	0.39	–
1000ºC	0.24	0.35	0.39	0.42	–
Al2O3%               ≥	37	50	60	60	68
Fe2O3%              ≤	1.0	1.0	0.8	0.8	0.7
SiO2 %                       ≤	45	43	36	36	29