... Various kinds of metallurgy steel heating furnace. Ladle-cover heat-treatment furnace, annealing oven and cap cover ... furnace, converting kiln, decompressing furnace, carbonizing furnace and air fle4. Other industrial furnaces such as soaking furnace, crucible furnace, resistance furnace ... fiber liner. Accordingly insulating property of fiber furnace liner is enhanced greatly.5 .Convenient and ...