... Great strength, 2.good thermal conductivity, 3.great resistance 4. high softening temperatue Use:Corundum Protector tube and temperature tube ... and steel, chemical analysis.Feature: Great mechanical strength, good thermal conductivity, great resistance to heat impact, high softening temperature, ... 3Kpa. The pressure drop is less than 0.3Kpa.Thermal toleranceInsert the pipe into the furnace at a depth ...