1. Teflon film, also known as PTFE film, Teflon film, or f4 film, is made of suspended PTFE resin through molding, sintering, cooling into a blank, and then turning and calendering. The film formed by turning is a non-oriented film, and the non-oriented film becomes an oriented film after calendering. The non-oriented film is rolled 1.1-1.8 times to become a semi-oriented film. Teflon film is used as a capacitor medium, as wire insulation, electrical instrument insulation, and dense gaskets. It has high crystallinity, tightly arranged molecular orientation, and small porosity, so the Teflon film has been greatly improved. PTFE film is divided into PTFE color film, PTFE activation film and F46 film. PTFE color film is formed by suspending PTFE resin and adding a certain amount of colorant, then molded and sintered to make a blank, then turned and calendered to make red, green, blue, yellow, purple, brown, black, orange 13 colors of PTFE directional or non-directional color film. Polytetrafluoroethylene color film still has good electrical insulation after adding a certain amount of colorant, and is suitable for insulation and classification identification of wires, cables, and electrical components. Although PTFE color film is added with a certain amount of colorant, it still has good electrical insulation, which is suitable for insulation and classification identification of wires, cables, and electrical components. PTFE activation film is a film made of PTFE film, filled film and color film, and then surface activation treatment. Pigment, glass fiber, carbon fiber, graphite, bronze powder and other fillers are added to the product, and the performance is further improved after activation treatment. It can be compounded with rubber, metal, etc., and can also be used to make special tapes to meet the design requirements. Widely used in light industry, military industry, aerospace, oil field and other fields. F4 film has the advantages of the most significant voltage resistance and breakdown voltage. It is used as capacitor medium, as wire insulation, electrical instrument insulation, and sealing gasket. PTFE turning film is a kind of oriented film formed by rolling and oriented by hot rollers with a calender. It has high crystallinity, molecular orientation is tightly arranged, and the porosity is small, so the PTFE film has been greatly improved, especially Is the voltage resistance is more obvious.
2. The difference between nylon and PTFE Polytetrafluoroethylene (PTFE, commonly known as Teflon, plastic king) is a special pipe made after extrusion and sintering, drying, high-temperature sintering, and shaping. Teflon is also called Teflon, Teflon, Teflon, Teflon, Teflon, PTFE, plastic king, Teflon in English, widely used in machinery, electronic appliances, automobiles, aerospace, chemical industry , computers, electric heating, military, communications and other important technology industries, such as micro-transformers. Nylon was developed by the outstanding American scientist Carothers and a research team under his leadership. It is the first synthetic fiber in the world.
The appearance of nylon has brought a new look to textiles, and its synthesis is the first step in synthetic fiber industry.
A major breakthrough in the industry, but also an important milestone in polymer chemistry. The density of polytetrafluoroethylene is generally greater than 2, while the density of nylon is about 1.2. The density of polytetrafluoroethylene is relatively dense, and its high temperature resistance and hardness are relatively better, while the nylon tube is softer, and its high temperature resistance is worse than that of polytetrafluoroethylene tubes, but because it is relatively soft, it can adapt to more terrains. In terms of price, PTFE tubes are slightly more expensive than nylon tubes. Features of PTFE products 1. High chemical stability: can withstand all strong acids, including aqua regia, hydrofluoric acid, concentrated hydrochloric acid, nitric acid, oleum, organic acids, etc., strong alkalis, strong oxidants, reducing agents and The role of various organic solvents. Ideal for high purity chemical feed applications. 2. Low friction coefficient: The friction coefficient is generally only 0.04, which is a very excellent self-lubricating material, and the friction coefficient does not change with the change of temperature. 3 3. Excellent anti-adhesive properties, and the inner wall of the tube is not easy to adhere to colloids and chemicals. 4. Excellent aging resistance, can be used outdoors for a long time. 5. Excellent electrical insulation performance: PTFE is a highly non-polar material with good dielectric properties, extremely high resistance, and a dielectric constant of about 2.0, which is the smallest among all electrical insulating materials. 6. Some tubes have high transparency, which makes it easy to observe the internal fluid conditions.
