Tianjin Tiansu Binhai Fluorine Plastic Film

Date:2021/7/21 8:41:03 /Read: /Source:本站

Tianjin Tiansu Binhai Fluorine Plastic Film http://www.tjtsjt.net//

Application Polytetrafluoroethylene can be formed by compression or extrusion processing; it can also be made into water dispersion for coating, dipping or making fibers. Polytetrafluoroethylene is widely used as high and low temperature resistant, corrosion resistant materials, insulating materials, anti-stick coatings, etc. in nuclear energy, aerospace, electronics, electrical, chemical, machinery, instruments, meters, construction, textiles, food and other industries. http://www.tjtsjt.net//

Chemical properties http://www.tjtsjt.net//

Insulation: Not affected by the environment and frequency, the volume resistance can reach 1018 ohm•cm, the dielectric loss is small, and the breakdown voltage is high.

High and low temperature resistance: little effect on temperature, wide temperature range, applicable temperature -190~260℃. http://www.tjtsjt.net//

Self-lubricating: It has the smallest coefficient of friction among plastics and is an ideal oil-free lubricating material. http://www.tjtsjt.net//

Surface non-stickiness: No known solid material can adhere to the surface, and it is a solid material with the smallest surface energy. http://www.tjtsjt.net//

Atmospheric aging resistance, radiation resistance and low permeability: long-term exposure to the atmosphere, the surface and performance remain unchanged.

Non-combustibility: The oxygen limit index is below 90. http://www.tjtsjt.net//

Physical properties: The mechanical properties of PTFE are relatively soft. Has very low surface properties. http://www.tjtsjt.net//

Mechanical properties: Its friction coefficient is extremely small, only 1/5 of polyethylene, which is an important feature of perfluorocarbon surface. In addition, because the fluorine-carbon chain intermolecular forces are extremely low, PTFE is non-sticky. http://www.tjtsjt.net//

Polytetrafluoroethylene maintains excellent mechanical properties in a wide temperature range of -196~260℃. One of the characteristics of perfluorocarbon polymers is that they are not brittle at low temperatures. http://www.tjtsjt.net//

Chemical resistance and weather resistance: Except for molten alkali metals, PTFE is hardly corroded by any chemical reagents. For example, in concentrated sulfuric acid, nitric acid, hydrochloric acid, or even boiled in aqua regia, its weight and performance have no change, and it is almost insoluble in all solvents. It is only slightly soluble in all alkanes (about 0.1g/100g) above 300°C. PTFE does not absorb moisture, is non-flammable, and is extremely stable to oxygen and ultraviolet rays, so it has excellent weather resistance. http://www.tjtsjt.net//

Electrical properties: The dielectric constant and dielectric loss of PTFE in a wide frequency range are very low, and the breakdown voltage, volume resistivity and arc resistance are high. http://www.tjtsjt.net//

                                  Taken from the network http://www.tjtsjt.net//

Editor:admin


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