Mullite insulating brick is a top thermal insulating refractory brick mainly containing mullite made of high alumina but low iron raw material with unique production technology. It was the advantages of high compression strength, good performance in high temperature, high thermal shock resistance, low thermal conductivity, powerful anti-infiltrtion, excellent wear-resistance. The brick can be used widely in metallurgy, petroleum chemistry industry, machinery, electric power ceramic etc, being the liner of furnace and thermal insulating layer. It is a economical and long life ideal products.

 

Project	0.8	1.0	1.2	1.5	0.8	1.0	1.2	1.5
Al2O3	55				60
Mg2O	1.0				0.8
Bulk Density	0.8	1.0	1.2	1.5	0.8	1.0	1.2	1.5
Cold Crushing Strength	2.94	3.43	4.41	5.39	2.45	2.94	3.92	3.92
Permanent Linear Change	1400	1400	1400	1400	1500	1500	1500	1500
Thermal Conductivity	0.27	0.32	0.37	0.46	0.27	0.32	0.38	0.48
Thermal Shock Resistance	15	20	25	25	15	20	25	25

Zibo SK Refractory Co., Ltd

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Main Products:Fire clay brick, high alumina brick, insulating brick, ceramic fiber, fire clay mortars, insulating mortars

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