... , tunnel furnace3. Chemical cracking furnace, depressure furnace, chimney4. Other high temperature heating equipemnts such as pot furnace and resistance furnace Technical data ... : ITEMPRODUCTCOMSTDHPHAHZClassification Temperature(C) 11001260126013601430Working Temperature (C)<1000 1050110012001350Density(kg/m3 ) 220+/-15220+/-15220+/-15220 ...