The price is: section size 4mm length 1m ,give me message for the price of other sizes ，PTFE gland packing is woven from pure PTFE fiber, without PTFE emulsion and lubricating oil treatment. Because it is made of solid woven and flexible and adjustable, so with shaft, stuffing box can be very good with excellent corrosion resistance, good self-lubrication and anti-sticking. It can be used in chemical industry, food, medicine, paper making, chemical fiber, fine chemical industry where pollution is not allowed. It is suitable for all chemical media except soluble alkali metal and free fluorine ion. Main technical parameters: Pressure ： 2 ~ 20 mpa Rotary pump 2 Mpa Reciprocating pump 10 Mpa Valve 20 Mpa The temperature ： 260 ° C The linear velocity is 10 m/s Density ：1.3 ~ 1.6 g/clm³ PH ：0 ~ 14 Product classification: oil-free white PTFE gland packing, oil-free black PTFE gland packing, oil-containing PTFE gland packing Gemmy Sealing Materials Co., LTD. All products support customization, if you have sealing, heat preservation, fire resistance technical problems welcome to consult. Main products and business items: Sealing gasket manufacturing and marketing, gland packing, glass fiber and ceramic fiber, fire-resistant sealing materials and heat preservation materials manufacturing and marketing; Graphite and carbon products, asbestos products manufacturing sales.