Main property	XJM23	XJM26	XJM28
Temperature ℃	1260	1427	1538
Bulk density Kg/m3	500	780	880
Bending strength MPa	0.8	1.8	2.7
Cold crushing strength MPa	1.2	2.3	4.1
Linear change after heating %	-0.1	-0.4	-1
At temperature keeping 12hrs	1230	1400	1510
Thermai expansion	5	5.4	5.7
Creep,after 90 minuters
1100℃,0.034MPa %	0.3
1260℃,0.069MPa %		0.4
1320℃,0.069MPa %			0.3
Thermal conductivity average temperature
200℃ W/m.k	0.15	0.28	0.32
400℃ W/m.k	0.18	0.29	0.33
600℃ W/m.k	0.22	0.32	0.34
800℃ W/m.k	0.27	0.35	0.37
1000℃ W/m.k	0.32	0.39	0.41
1200℃ W/m.k	0.38	0.43	0.46
1400℃ W/m.k		0.47	0.5
Chemical composition
Al2O3 %	45	60	66
SiO2 %	48	37	32
Fe2O3 %	0.8	0.7	0.6

Copyright © 2002-2024 www.easyhoo.net All Rights Resverved.