Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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JM23 insulation brick are processed through moulding under high pressure ans sintering at high temperature , and JM23 insulation bricks with feature of strong strength,steady bulk at high temperature and small creep rate, which are available for hot blast stove of large and middle size.
JM23 insulating brick uses high pure mullite as raw material, JM23 insulating bricks are made by adding alumina powder according to different type and then sintering in high temperature. JM23 insulation firebrick is the new energy saving material for insulation. JM23 insulation fire brick is produced accordance with German industrial standard that especially for export to foreign countries.
. Excellent compression strength,
. Excellent heat stability,
. Low thermal conductivity,
. Low heat storage,
. High alumina, low iron and alkali flux content.
| Index | Model | Volume density g/cm3 | Reheating Linear Change 1300℃×12h % | Cold Compression Strength Mpa | Bending Strength At Normal Temperature Mpa | Thermal Conductivity 350℃w/m.k | Chemical Composition % | |||
| JM-23 | Al2O3 | SiO2 | Fe2O3 | |||||||
| A | 0.5 | －1 | 1.2 | 0.9 | 0.16 | 42 | 54 | 0.8 | ||
| B | 0.55 | －0.6 | 1.3 | 1.0 | 0.17 | 42 | 54 | 0.8 | ||
| C | 0.6 | －0.5 | 1.6 | 1.1 | 0.19 | 44 | 52 | 0.8 | ||
| D | 0.8 | －0.4 | 2.2 | 1.3 | 0.24 | 45 | 51 | 0.9 | ||
| E | 1.0 | －0.2 | 2.8 | 1.7 | 0.31 | 45 | 51 | 0.9 | ||
JM23 insulation firebricks are widely used for heat-insulating purpose in many kinds of industrial furnace, electric furnace and metallurgical stove, Cracking furnace in petroleum, Hot blast furnace in metallurgy,Ceramic roller kiln, tunnel kiln, shuttle kiln for electrical porcelain, Pot furnace for glass industry, Inner lining of kinds of electrial furnaces and high temperature equipment.