This section provides overview, applications, and principles of nylon tubing. Also, please take a look at the list of 41 nylon tubing manufacturers and their company rankings.
Table of Contents
Nylon tubing is manufactured from nylon resin and are primarily intended for piping use.
They are used in various industries for fluids such as air, water, and lubricating oil. Advantages include excellent flexibility for easy working and low cost.
Depending on the product, nylon tubing has excellent pressure resistance, heat resistance, chemical resistance, oil resistance, vibration resistance, and corrosion resistance.
Nylon tubing is used for piping for oil, pneumatic, hydraulic, and other applications as an alternative to copper and other conventionally used pipes. Specifically, nylon tubing can be used in oil and pneumatic equipment, centralized lubrication equipment, coating equipment, and chemical plants.
By taking full advantage of nylon's superior flexibility, nylon tubing can be used for piping in tight spaces or where complicated flow lines must be taken. Other types of nylon tubing include those with greater flexibility that can be used in oscillating sections and those made of special nylon that specializes in high-pressure and chemical resistance.
Like fiber materials, nylon tubing are strong against expansion and contraction and have strong abrasion resistance and toughness. On the other hand, it also has high resistance to heat, impact, and chemicals. First developed, 6,6 nylon was the world's first synthetic fiber to be widely used. Today, polyamide is commonly referred to collectively as nylon.
While 6 nylon and 6,6 nylon are commonly used for nylon products themselves, nylon 11 and nylon 12 are often used for nylon tubing. This is because nylon 11 and nylon 12 have superior resistance to impacts and temperature changes.
The numbers in these names are derived from the number of carbon atoms in the monomer raw material used to make nylon. Soft hoses are manufactured by blending plasticizers to provide flexibility, while rigid tubing without plasticizers is called rigid unplasticized nylon. Other types of nylon may also be used, such as nylon that has been strengthened by processing.
Properties of flexible and rigid nylon tubing
Nylon tubing vary in pressure resistance, heat resistance, and flexibility depending on the product. It is important to select the product that best suits your application.
The flexibility of the tube varies depending on whether a plasticizer is incorporated. Soft nylon tubing contain plasticizers and have excellent flexibility. In terms of pressure resistance and heat resistance, the performance is slightly lower than that of unplasticized nylon, but there are products that can handle high pressure. In addition, there is no difference in the fact that the main component is nylon, so the performance is not significantly inferior.
However, low molecular weight substances called monomers and oligomers contained in the resin may precipitate on the tube surface via the plasticizer and adhere to the surface like white powder. Generally, this does not degrade performance, such as pressure resistance or chemical resistance, but there is a tendency for the flexibility of the tube to decrease in the future.
Those without plasticizers are called unplasticized nylon, and the tubes are the hardest. It also has the highest-pressure resistance and heat resistance and can be used under high pressure and high temperature.
Some products are available in various colors, and different colors can be selected for each pipe to distinguish them by color coding. However, since black is superior in terms of weather resistance, some manufacturers recommend black tubing if no choice is necessary.
In addition, if chemicals are to be used as fluids, it is necessary to check whether the tubing has chemical resistance to the chemicals to be used before use.
*Including some distributors, etc.
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