The 1800 ℃ aluminum oxide plate produced by polycrystalline alumina fiber cotton, inorganic refractory aggregate, and special additives mainly consists of corundum phase and mullite phase, and its main applications are as follows:
1. Various forging furnaces, heating furnaces, heat treatment furnaces, annealing furnaces, etc. at 1250-1650 ℃ in the steel and metallurgical industry
2. Rapid high-temperature firing kilns in the ceramic industry
3.High temperature furnace lining below 1700 ℃
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