Series of high-strength high alumina refractory castable Product Features: high quality sintered bauxite as aggregate, since the introduction of the filling in the matrix, water-reducing effects of ultrafine powder, the use of ultra low cement or cement combine to make more dense castable to improve the strength of castable, new projects are available kiln kiln door cover, cooler, calciner and other parts. Physical and chemical properties: Product Name high alumina refractory castable high strength grades JS-A60 JS-A70 JS-A70B JS-A75 maximum use temperature (℃) 1400 1500 1500 1600 volume density (kg / m3) 110 ℃ × 24h≥ 2450 2600 25502700 Chemical Composition (%) Al2O3≥ 60 70 72 75 SiO2≤ 30 20 25 / cold flexural strength (MPa) 110 ℃ × 24h≥ 8 10 10 10 1100 ℃ × 3h≥ 8 10 12 11 Cold compressive strength (MPa) 110 ℃ × 24h≥ 80 100 80 100 1100 ℃ × 3h≥ 80 100 110 100 firing line after the rate of change (%) 1100 ℃ × 3h≤ -0.5 ± 0.5 -0.5 ± 0.5 Construction of reference water (%) 6 ~ 76 ~ 76 ~ 76 ~ 7 construction methods using vibration cooler parts of the rear cooler lining preheater kiln door cover decomposition, calciner, cooler lining characteristics required by the user to add heat-resistant steel fiber, improve strength and integrity, and better results. Product Category lightweight refractory castable GLD-0.7 lightweight refractory castable GLD-0.8 lightweight refractory castable GLD-1.0 lightweight refractory castable GLD-1.2 lightweight refractory castable GLD-1.4 Product Description lightweight refractory, insulation castable high quality lightweight aggregate and powder, adding additives and binders mixed together, the volume density from 0.6-1.7g / cm3, the use of self 800-1650 ℃ temperature at different levels; lightweight refractory, insulation insulation castable refractory castable points and insulation castable two categories; product characteristics bulk density, low thermal conductivity, good insulation properties; lightweight refractory, insulation performance in direct contact with the flame, for a variety of atmosphere ; lining overall good, long life, easy construction, can be any shape; a typical application of industrial furnace high temperature industrial furnace wall lining or insulation backing; heat pipe wall lining; continuous furnace, pit furnace, bell furnace , door, watching the fire hole, metallurgical industrial furnaces, heat treatment furnace, furnace chemical industry, building materials, industrial furnaces, waste incinerators;