China High Quality White Mullite Low Coefficient of Thermal Expansion Mullite Lightweight Brick, Find details about China Light Weight Mullite Brick, Insulation Mullite Brick Manufacturer from High Quality White Mullite Low Coefficient of Thermal Expansion Mullite Lightweight Brick
High Quality White Mullite Low Coefficient Of Thermal Expansion Mullite Lightweight Brick is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory.
FeatureLight-weight insulation bricks | ||||
Item | JM-23 | JM-26 | JM-28 | |
Refractoriness, ºC | 1300 | 1400 | 1450 | |
Chemical composition | Al2O3, % | 48 | 53 | 60 |
Fe2O3, % | 1.0 | 1.0 | 0.9 | |
Linear rate of change, % | ºC*12h | 1300 | 1400 | 1450 |
≤ % | 1.0 | 1.0 | 0.9 | |
Thermal conductivity, (w/m.k) | at 350±25ºC | 0.25 | 0.35 | 0.5 |
Bulk density, g/cm3 | 1.0 | 1.0 | 1.0 | |
Cold crushing strength, MPa | 2.0 | 2.5 | 3.4 |
Gongyi Hongda Furnace Charge Co., Ltd. is a comprehensive refractory enterprise integrating r&d, production and trade. The company mainly produces , refractory castables ,ramming mass, plastic and other unshaped refractory materials, fired bricks and insulation materials. Products are widely used in steel, nonferrous metals, building materials and power industry.
Hongda company has two produtction lines for refractory castables and respective production lines for shaped refractories, plastic refractory, three production lines for thermal insulation products. With annual capacity of 15000 tons of various castables, 30000 tons of shaped precast products, and 10000 tons of moldable refractory, thermal insulation products 50000 tons.