1. high strength series; 2. model: TJMC1;TJMB6;TJMC2;TJMB7; 3.cold crushing strength: >2.5Mpa;

Main properties		TJMC1	TJMB6	TJMC2	TJMB7
Classification temperature	°C	1300	1400	1400	1500
Density	Kg/m3	1000	800	1100	900
Modulus of rupture	Mpa	2.1	1.8	3.0	2.5
Cold crushing strength	Mpa	3.5	2.0	4.0	3.0
Al2O3	%	45.0	55.0	57.0	64.0
SiO2	%	49.0	41.0	38..	32.0
Fe2O3	%	0.9	0.9	0.9	0.8
K2O+Na2O	%	1.0	0.9	1.0	0.8

application of insulating firebricks:

 1.Recommended for use as a primary hot face refractory lining2.as back-up insulation behind other refractory in furnace, kilns, flues, refining vessels, heaters, regenerators, gas producers and main, soaking pits, annealing furnace, catalyst case and similar high temperature industrial equipment.

high strength series--Insulating firebricks (TJMC1,B6,C2,B7)