Some of the furnace doors need to open up to observe the fire or burned products in it. The furnace door needs this kind of sealing ring. The sealing ring should be produced to special size according to the door size.
Based on our ceramic fiber packing and biosoluble fiber packing material, we could produce this special kind of sealing ring with high temperature stitching thread. The stainless steel wire reinforced packing could keep the sealing ring long term usage in the furnace door insulation.