Product Details

Specifications

Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance
High intensity for pressure

Product Description

This series of products are made from high purity materials by unique technics, so they have a lot of advantages such as stable volume, excellent thermal stability, high intensity, and low thermal conductivity. They are an ideal kind of energy-conserving products, which can be widely used as linings or as thermal preservations layes in various industrial furnaces and kilns in metallurgical industry, ceramic industry, chemical industry and machinery industry

Light brick features

Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance

High intensity for pressure

Light brick industry application

Light brick application fields

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

Light brick Tech Data

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-30^oCX24h)%		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)	400^oC	0.14	0.27	0.32	0.41	0.49
	600^oC	0.16	0.29	0.34	0.43	0.5
	800^oC	0.18	0.31	0.36	0.44	0.51
	1000^oC	0.2	0.33	0.38	0.45	0.53
	1200^oC	-	0.35	0.41	0.47	0.56
Chemical Analysis (%)	Al2O3	37	58	67	73	77
Chemical Analysis (%)	Fe2O3	0.7	0.7	0.6	0.5	0.4
comm size		230x114x75/65mm