JM Insulating Brick JM 30

Mullite Insulating brick Density: 0.6g-1.25g/cm3 Classification Temperature: 1260-1760C Al2O3 : 37-77% Size: 230x114x65/75mm

The above picture shows JM insulating brick in wooden pallet, the type of which is JM30, with Al2O3 73%.

Double Egret is the specialized manufacturer and exporter of refracotry and insulation material in north of China. 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 UK, USA, ITALY, JAPAN 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

Quality		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

OEM availabel

JM Insulating Brick JM 30