... (iron) species of fluorine-long high temperature PTFE coated fiberglass fabric cloth, also known as special (iron) fluoride Long temperature paint (welding ... easy. Easy-to-clean surface attached to a variety of oil stains, stain, or other attachments; pulp Hu, resin, paint and ... , a low coefficient of friction (0.05-0.1), is oil-free self-lubricating the best choice. 5, light transmission rate ...