Characteristics: The product is of direct contact with flame,light weight,high pressure resistance,good heat insulation and energy saving. Application : Petrochemical Trade: Carbon black furnace ,gasification furnace, gas-making funace , ethene pyrolyzer ,one stage converter, hydrogen furnace ,etc. Ceramics Trade: Tunnel kiln,bucket kiln,roll kiln,shuttle kiln,top-hat kiln,mesh-belt tunnel kiln,etc.