Insulating fire brick, using high pure mullite as ra material, is made by adding alumina powder according to different type and then sintering in high temperature. DJM insulating brick is new energy saving material for furnace insulation.
| Light Weight Insulating fire brick characteristic & application |
| characteristic | low thermal conductivity |
| good thermal shock resistance |
| low density |
| excellent thermal insulation |
| application | ceramics industry |
| glass industry |
| iron and steel industry |
| electric aluminium industry |
| non-ferrous metal industry |
| heat surface fireproof |
Weight Insulating fire brick technical data pls check the following sheet
| insulation brick technical data |
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| product type | density ≤g/cm3 | compressive strength ≥Mpa | prpture strength ≥Mpa | linear change on reheating≤% | thermal shock resistance times | heat condutive cofficient w/m.k | Al2O3 ≥% | Fe2O3 ≥% |
| JK-23 | 0.60 | 1.3 | 1.0 | 1230*12-0.5 | ≥20 | 400℃ - 0.15 1000℃ - 0.2 | 40 | 0.70 |
| JK-26 | 0.80 | 1.8 | 1.4 | 1400*12-0.5 | >20 | 600℃ - 0.15 800℃ - 0.27 | 55 | 0.70 |
| JK-28 | 0.90 | 2.2 | 1.7 | 1510*12-1.0 | >20 | 600℃ - 0.34 1000℃ - 0.347 | 65 | 0.60 |
| JK-30 | 1.0 | 2.5 | 2.1 | 1600*12-1.0 | >20 | 600℃ - 0.43 1000℃ - 0.45 | 74 | 0.50 |
| JK-32 | 1.2 | 3.5 | 2.5 | 1650*12-1.0 | >20 | 600℃ - 0.50 1000℃ - 0.53 |
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Insulating fire brick , using high pure mullite as raw material, is made by adding alumina powder according to different type and then sintering in high temperature. Classified by working temperature, there are JK-23,JK-26,JK-28,JK-30. JK-32. These products can directly contact with fire, characterized with high temperature resistance, lightweight, low thermal conductivity, good energy saving effect, specially suitable for cracking furnace, hot blast furnace, ceramic roller kiln, porcelain kiln extraction, glass crucible and various electric furnaces as lining. It is an ideal product of energy efficiency and longevity.
