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2022-11-29 1090

LUYANG LYMZ Light-weight insulating brick is made from high-purity refractory powder and organic fillers which burn out during manufacture to give a uniform and controlled pore sture.The brick is compressed in vacuum and sintered under high temperature.Luyang Insulating Firebrick is widely used as hot face refractory lining or back-up insulation in various kinds of industrial furnaces.

Features:
Excellent thermal shock resistance
Accurate and customized dimension
High crushing strength
Low thermal conductivity
Low heat storage

Typical Parameters:

Description	GRADE 23 BRICK	GRADE 26 BRICK	GRADE 28 BRICK	GRADE 30 BRICK	GRADE 32 BRICK
Classification Temperature (℃）	1300	1400	1500	1550	1600
Chemmical Composition（%)
Al2O3	40	56	67	73	79
SiO2	51	41	30	24	20
Fe2O3	≤1.0	≤0.8	≤0.7	≤0.6	≤0.5
Density(kg/m3)	600	800	900	1000	1100
Module of Rupture(MPa)	0.9	1.5	1.8	2.0	2.2
Cold Crushing Strength(MPa)	1.2	2.4	2.6	3.0	3.5
Permanent Linear Change(%)	1230℃*24h≤0.3	1400℃*24h≤0.6	1510℃*24h≤0.7	1620℃*24h≤0.9	1650℃*24h≤1.0
Thermal Conductivity (w/m.k)
200℃	0.15	0.23	0.27	0.28	0.35
350℃	0.18	0.24	0.30	0.35	0.42
400℃	0.19	0.25	0.33	0.38	0.49
600℃	0.23	0.27	0.38	0.40	0.5

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