1. F4 is an engineering plastic with excellent comprehensive performance, excellent performance, known as "plastic king" of the name, which has excellent chemical stability, even at high temperatures and concentrated acid, concentrated alkali or strong oxidizing agents are not effective. It has excellent chemical stability, even at high temperatures with concentrated acid, concentrated alkali or strong oxidizing agents do not play a role, such as concentrated sulfuric acid, concentrated nitric acid, hydrochloric acid and even boiling in aqua regia, the weight and performance are unchanged.
2, and most organic solvents such as halogenated, hydrocarbons, ketones, ethers, alcohols have no effect, there will be no change in weight and swelling phenomenon.
3, it is found to play a role only in the molten state of alkali metals, chlorine trifluoride, and elemental fluorine, etc., but only at high temperatures to play a significant role.
4., good weather resistance, it has a high degree of heat resistance and cold resistance, the use of temperature range from -180 ℃ to 260 ℃, 240 hours at 260 ℃ treatment of mechanical properties are not reduced, 390 ℃ per hour weight loss of only 0.006%.
5, non-adhesion, it has a very low coefficient of friction, is a good self-lubricating material.
6, excellent water resistance, completely non-absorbent, has good weather resistance and anti-aging properties.
7, excellent dielectric properties and electrical properties are not affected by frequency and temperature, can work at 260 ℃ for a long time, for the C-class insulation materials, and can be kept in the wet conditions of insulation.
8, non-combustible, it will not burn, flame retardant, suitable for making wires and cables, used in special industries such as subway, aviation and so on.
F4 main use involves aviation, aerospace, petrochemical, machinery, electronics, construction, textiles and other industrial sectors, has become an indispensable material for many key technologies in modern industry.
1. Mechanical industry Mainly used for chemical corrosion, high temperature sealing components, such as packing, gaskets, rising ring, valve seat, valve air box, valve plate, etc.; transport corrosive media, high temperature pipeline, corrosion-resistant lining, diaphragm, containers, and bearings, rails, and oil-free lubrication of the piston ring, seals, heat exchangers, pumps, etc., and the dispersion of its liquid can be used for coating and impregnation of porous products.
2, in the electrical and electronic industry is mainly used in the manufacture of various wires and cables. This is because it has a high degree of stability of insulation, in high frequency or ultra-high frequency with a very small dielectric constant and dielectric loss, and dielectric properties by the temperature is very small.
3, medical materials can be made of medical analysis instruments, such as bottles, tubes, beakers, measuring cylinders, funnels, etc. for ultra-pure analysis and filtration.
4, construction materials Using its low coefficient of friction and high load capacity, widely used in bridges, tunnels, steel roof, large chemical pipelines, elevated highways, high-speed railroads, large storage tanks and other support slider.