Features 1. Low bulk density, low thermal conductivity, good thermal insulation performance. 2. Refractory category allow direct contact of fire, suitable ofr various atmosphere 3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely 4. Can be used in various kilns because of its cheapness and general tray package. Applications 1. Furnaces of metallurgy industry, heat treatment furnace 2. Furnaces of chemical industry and construction industry. 3. Furnace of incineration of garbage, recirculating fluidized bed furnace Standard sizing: 230 x 114 x 65 mm others up to the client. packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages.