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Light weight castable amorphous light heat insulation refractory material has been widely used by the majority of users, the application of heat insulation refractory material has been to the amorphous light heat insulation refractory material aspect of development.Because it has: small volume density, low thermal conductivity, can reduce the weight of equipment, good insulation performance, make the furnace temperature uniform, energy saving and high fire resistance, the overall performance of strong, good sputtering resistance, long service life, can be arbitrary repair processing of various shapes or the overall lining.The construction is simple and low cost.Now widely used in metallurgy, machinery, electric power, chemical industry, petroleum and other industries of industrial kiln and thermal equipment, than ordinary refractory energy saving more than 20%.
Use method to mold and casting surface is clean, add water to make it within the castable 42-45% moisture content mix casting can be made 24 hours after demoulding, stick hanging plastic film natural preserve one's health in 2-3 days can ignition oven, castable containing a large number of bound water and free water control, oven temperature, to prevent sudden warming caused burst spalling, especially 120 ℃, 350 ℃, 600 ℃, 800 ℃ heat slowly, must have certain heat preservation time.It is recommended that the temperature should be no less than 48 hours below 120℃ and no less than 96 hours below 350℃. After that, the temperature should be increased by 20-30℃ every hour until the operating temperature.
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