Lightweight Mullite refractory brick (JM-28)

Insulating brick density: 0.6-1.25g/cm3 temperature: 1260/1430/1540/1650/1760 degree Al2O3: 37-77% size: 230x114x65/75mm

ZIBO JUNXU TECHNOLOGY CO,LTD  is the professional manufacturer and exporter of refracotry and insulation material . Our products mainly include insulating brick, refractory brick, refractory castable, ceramic fiber products. For insulating brick, the production capacity is 300tons per month, primarily export to SPAIN, USA, ITALY, TURKEY,AFRICA etc.

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.

CHARACTERISTIC:Low densityHigh purityLow thermal conductivityExcellent thermal shock resistance

APPLICATION:glass industries iron & steel industriesceramics industries non-ferrous metals industrieselectrolytic Aluminum industries power generation industriesHeat surface fireproof lining other fire-proof back lining

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-30oCX24h)%		0.5	0.4	0.5	0.9	0.9
Reversible thermal expansion at 1100oC		0.5	0.7	0.8	0.9	1.1
Thermal shock resistance (cycles)1100oC Water cooling		30	30	30	30	30
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

Lightweight Mullite refractory brick (JM-28)