PTFE composite fabric/purpose of PTFE composite fabric, PTFE composite fabric technology and industrial application!

PTFEThe uses of composite fabrics/PTFE composite fabrics, the technology and industrial application of PTFE composite fabrics!

PTFE composite fabric/fabric The unique properties make it suitable for chemical, petroleum, textile, It has a wide range of applications in industrial and marine operations such as food, paper, medicine, electronics and machinery.

1, PTFE composite fabric/cloth application in electronic and electrical aspects

PTFE composite fabric/cloth The inherent low loss and small dielectric constant of the material make it It can be made into enameled wire for use in micro motors, thermocouples, control devices, etc.; PTFEcomposite fabric/fabric film is used to manufacture capacitors, radio insulating pads, insulated cables, motors and transformers It is an ideal insulating material and is also one of the indispensable materials for industrial electronic components such as aerospace and aerospace. Using the selective permeability of fluorine plastic film, which has high permeability to oxygen but low permeability to water vapor, oxygen can be produced. Sensors; utilizing the characteristics of polar charge deviation of fluoroplastics under high temperature and high pressure, microphones, speakers, parts on robots, etc. can be manufactured; utilizing its characteristics of low refractive index, optical fibers can be manufactured.

2, PTFE composite fabric/cloth Application of low friction performance in load

Because the friction parts of some equipment should not be lubricated, such as in situations where lubricating grease will be dissolved by solvents and become ineffective, or in papermaking, pharmaceuticals, Products in industrial fields such as food and textiles need to avoid lubricant contamination, which makes filled PTFEcomposite fabric/cloth materials ideal for oil-free lubrication of mechanical equipment parts (direct load bearing) Material. This is because the friction coefficient of this material is the lowest among known solid materials. Its specific uses include bearings for chemical equipment, papermaking machinery, and agricultural machinery, as piston rings, machine tool guide rails, and guide rings; in civil construction projects, it is widely used as bearings for bridges, tunnels, steel structure roof trusses, large chemical pipelines, and storage tanks. Support slide blocks, and be used as bridge supports and bridge swivels, etc.

3, PTFE composite fabric/cloth application of anti-adhesive properties

PTFEComposite fabric/cloth material has the smallest surface tension among solid materials and does not adhere Any substance that also has excellent properties of high and low temperature resistance makes it widely used in anti-stick aspects such as making non-stick pans. The anti-adhesive process mainly includes two types: installing PTFE composite fabric/fabric parts or sheets on the substrate, and coating PTFE composite fabric/fabric or varnished cloth composited with glass. Heat shrink and put on the base material.

With the continuous development of material application technology, PTFE composite fabric/cloth materials have three major shortcomings: cold flow, difficulty in welding, The difficulty in melt processability is gradually being overcome, which makes it have broader application prospects in various fields such as optics, electronics, medicine, petrochemical oil transportation and anti-seepage.

4, PTFE composite fabric/cloth application in medical medicine

Expanded PTFE composite fabric/cloth material is purely inert and has very strong biological adaptability and will not cause rejection by the body. ��It has no physiological side effects in the human body, can be sterilized by any method, and has a microporous structure, which can be used in a variety of rehabilitation solutions, including artificial blood vessels and patches for soft tissue regeneration and for vascular, cardiac, general surgery and plastic surgery Surgical suturing.

5, PTFE composite fabric/cloth application of anti-corrosion properties

Due to defects in corrosion resistance of rubber, glass, metal alloys and other materials, it is difficult to meet the coexistence of harsh temperature, pressure and chemical media environment, the resulting losses are staggering. PTFEcomposite fabric/fabric material has become the main corrosion-resistant material in petroleum, chemical industry, textile and other industries due to its excellent corrosion resistance. Its specific applications include: delivery pipes, exhaust pipes, steam pipes for transporting corrosive gases, high-pressure oil pipes for rolling mills, high, medium and low-pressure pipes for aircraft hydraulic systems and cold press systems, distillation towers, heat exchangers, kettles, towers and tanks. Linings, valves and other chemical equipment.

The performance of seals has a great impact on the efficiency and performance of the entire machine and equipment. PTFE material has the characteristics of corrosion resistance, aging resistance, low friction coefficient and non-stickiness, wide temperature range, and good elasticity, making it very suitable for manufacturing seals with high corrosion resistance requirements and operating temperatures above 100°C. Such as seals for grooved flanges of machines, heat exchangers, high-pressure vessels, large-diameter vessels, valves, and pumps, seals for glass reaction pots, flat flanges, large-diameter flanges, shafts, piston rods, valve rods, Worm gear pumps, tie rod seals, etc.

This article is excerpted from [China Composite Fabrics Network www.tpu- ptfe.com】Please indicate when reprinting.

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