Specifications

1.Low thermal conductivity
2.high temperature resistance
3.excellent insulation
4.acid-base erosion resistance

About product:

    Heat insulation refractory bricks is my company the American advanced standard reference to the development and production of a kind of high efficient, energy saving, high grade product. The products have been widely used in metallurgical hot dip galvanized furnace, silicon steel processing furnace, blast furnace stove; The petrochemical industry ethylene cracking furnace, hydrogen furnace, a transformation furnace, sulfur recovery units; And other such as roller kiln, spindle type kiln, prevent (fight) carburizing (n) the stove and so on thermal device, and satisfactory results.

 

Product features :

 1. High temperature resistant,

 2. Performance is good,

 3. High strength,

 4. Show low porosity,

 5.  alkali resistant, aggressive good, etc

 
Technical parameters:

 

Item		JM-23	JM-26	JM-28	JM-30	JM-32
Classification temperature  (oC)		1260	1430	1540	1650	1760
Bulk density (g/cm3)		0.6	0.8	0.9	1	1.25
Crushing strength (Mpa)		1.2	1.6	2.1	2.5	3.5
Modulus of rupture (Mpa)		0.9	1.4	1.6	2.1	2.1
Permanent linear change (CT-30oCX24h)%		0.5	0.4	0.5	0.9	0.9
Reversible thermal expansion at 1100		0.5	0.7	0.8	0.9	1.1
Thermal conductivity (W/m.k)	400oC	0.14	0.27	0.32	0.41	0.49
	600oC	0.16	0.29	0.34	0.43	0.5
	800oC	0.18	0.31	0.36	0.44	0.51
	1000oC	0.2	0.33	0.38	0.45	0.53
	1200oC	-	0.35	0.41	0.47	0.56
Chemical Analysis (%)	Al2O3	37	58	67	73	77
	Fe2O3	0.7	0.7	0.6	0.5	0.4
comm size		230x114x75/65mm

 

Product application:

 

Mainly used for thermal boilers, cement kiln, glass furnace, gas furnace, fertilizer, blast furnace hot-blast stove, coking furnace, electric furnace, casting and casting steel brick

 

our product: