Pillar No.6650 For high temperature & high pressure valves. Construction & Features : Free-size packing of a tape shape made by corrugating both sides of all graphite sheet. It can be wound and formed in the stuffing boxes of any size of valve. Performance : Temperature -200oC to 400oC Applications: For water, steam, oils, oil gas, solvents, heat transfer oil, LNG, strong acids and strong alkalis.