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Hoses are used in many industries for various purposes. In the past the most notable hose used was rubber hose. But it has a lot of drawbacks. For one, it does not withstand high temperature and wears down over time. Nowadays the rubber hose has been replaced by a more flexible, dynamic, non-reactive, chemically inert, corrosion resistant, non stick and water resistant material, which is Polytetrafluoroethylene (PTFE) more commonly known as Teflon. Let us look at its properties and how it fares better than a hose made of rubber.

made of rubber hose

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What is a Teflon Hose?

Polytetrafluoroethylene (PTFE), more commonly referred to as Teflon, is a flexible, opaque, ivory-white plastic fluoropolymer. Teflon is made from the molecules of tetrafluoroethylene through free-radical polymerization. Teflon’s ability to withstand chemicals is its most useful property. In addition, it exhibits excellent electrical insulation, non-tackiness, less friction, and water resistance. They also possess a seamless finish, high flexibility, negligible porosity, and great corrosion resistant properties. Buy flexible hose made of PTFE if you want durability and flexibility.

Type of Teflon Hose

There are three distinct categories of PTFE hose.

  • High Pressure Hose can withstand pressures up to 5,500 psi. Chemical transfer and high-temperature hydraulics make excellent use of this hose.
  • Convoluted Hose made of Stainless steel PTFE is the third type, and it is designed for harsh environments. Additionally, it has excellent resistance to high pressure. It is intended for fluid handling transfer of chemicals, paint and semiconductor applications and endures high flexing.
  • Smoothbore Hose has low friction and excellent chemical compatibility at temperatures ranging from -100°F to +450°F.

Properties of Teflon Hose

  1. PTFE hoses have brilliant electrical properties. Between -40 °F and 480 °F, within a frequency range of 5 Hz to 10 GHz, it has a low dielectric constant of 2.1. It is additionally an incredible insulator, and it shows high electrical opposition and dielectric strength.
  2. The surface of PTFE tubing is relatively smooth and slick. As a result, it can withstand wear and tear and has a significant lifespan. It is suitable for use in a wide range of industries due to its non-stick surface. There is no discoloration, waviness, or pitting on the even, smooth surface.
  3. Pure PTFE is almost entirely chemically inert and has a melting point of 327°C. It is extremely insoluble in most chemicals or solvents. PTFE tubing has brilliant UV opposition and weatherability. The polymeric PTFE tube is considered to be both physiologically inert and non-toxic.
  4. Due to its strong bonds between carbon and fluorine, PTFE hose does not react. As a result, chemical factories make use of it to deal with acid, alkalis, and other highly reactive chemicals. PTFE hoses can be used in harsh environments and at high temperatures because the core is made of non-stick material.
  5. PTFE hoses are able to repel oil and water; They are able to move material with less friction. Thus there is less wear on the outer layer of the hose. The hose will last longer and be more secure as a result of this.

Benefits of Teflon Hose Over Rubber Hose

  1. PTFE nylon braided hose helps to prevent gas odors from entering your garage or shop through the hose itself. Gas, ethanol, brake fluid, transmission fluid, power steering fluid, and antifreeze are all incompatible with this kind of hose. Due to the chemicals’ tendency to degrade rubber, rubber’s resistance to these fluids is significantly lower than that of PTFE. On the off chance that you don’t see it, ultimately the hose will begin spilling. Your vehicle could catch fire just by the heat in the engine compartment if you don’t notice a gas leak.
  2. PTFE can withstand higher temperatures than rubber can. As a result, there is less of a chance that the engine will overheat and cause damage to the hoses. Along with the high intensity resistance of PTFE, it possesses a higher pressure rating than rubber. As a result, there is less of a chance that a PTFE hose will blow if one of the systems, like the cooling system or the power steering, fails in a way that makes it cause more pressure than it should.
  3. Your new hoses will provide your engine a more polished appearance if you purchase nylon braided or stainless steel hose made of PTFE rather than rubber. It is preferable to buy flexible hose made of Teflon rather than a rubber hose.
  4. Excellent chemical compatibility with the majority of detergents, alcohols, acids, and solvents than rubber. In terms of chemical resistance, it is currently the most versatile thermoplastic hose on the market. It has the lowest coefficient of friction of any known plastic hose. Its non-stick surface reduces the likelihood of pressure drops and deposit accumulation.
  5. High operating pressures up to 6,160 psi and a wide temperature range of -100°F to 500°F (-73°C to 260°C) ensure durability. Because it is chemically inert, this hose will not deteriorate like rubber while being stored or used. It has no expiration date, and its properties remain unchanged over time.

Conclusion

Because PTFE is used in stainless steel hose, it lasts much longer than rubber hose or rubber that has been encased in stainless steel. It is superior to rubber products in many ways. Because of its amazing chemical resistance properties, PTFE hose is generally utilized in high-temperature hydraulics, electrical protection, chemical transfer lines, and gas examining applications. Make sure that the fittings and PTFE Hose are compatible with one another and manufactured by the same company to get a good seal.

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