Company profile:ZIBO HITECH MATERIAL CO., LTD is the specialized manufacturer and supplier of refractory in China, Our products mainly include refractory bricks, refractory castable, refractory precast shape, insulating brick etc. For refractory castable and precast shape they are very popular in the Europe, North American area.

JM insulating brick, using high pure mullite as raw material, is made by adding alumina powder according to different type

and then sintering in high temperature. JM insulating brick is the new energy saving material for insulation.

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

CHARACTERISTIC:
Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance

APPLICATION:
glass industries iron & steel industries
ceramics industries non-ferrous metals industries
electrolytic Aluminum industries power generation industries
Heat surface fireproof lining other fire-proof back lining

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Company Information

Advantage:Magnesia bricks, magnesia-alumina bricks and magnesite-zircon brick etc are the main products of basic refractories. The products have the properties of bearing high temperature, high refractoriness under load and good resistance to alkali.

Type:We can supply High Alumina Bricks, Fireclay Bricks, Low Porosity Fireclay Bricks, Mullite Bricks, Corundum Bricks, AZS Bricks, Magnesite Bricks, Zircon Bricks,insulating Bricks etc.

Application:They are widely used in the basic zone of metallurgical furnaces, nonferrous furnaces and regenerator of glass furnaces.