Are nylon bristles made of new or second-hand?

Posted by ai on March 26th, 2021

There are many types of brushes, complex specifications and a wide range of applications. In modern industrial production, brushes are used in almost every industry. With the large demand of industrial development, the quality of nylon brushes varies from good to bad. Do you know whether the nylon brushes on your hand are brand new or second-hand? Come and look down.

Nylon brush filament 1. With the naked eye observation method, the color of the nylon brush made of new nylon filament is more uniform, and the surface of the filament is brighter. The appearance of the brush is smooth and tidy, without distortion, the diameter of the filament is uniform, and the thickness is more uniform. . The inferior nylon wool yarn is made of mixed with other materials, and the finished product is dark in color and lacks luster. Some inferior products will also have the deformation of the brush yarn and the difference in thickness.

Nylon brush filament 2. Touch method. Touch the nylon brush with your hand. The nylon brush filament made of new material is dry and dry. Due to its high resilience, it can quickly return to its original shape even if it is flicked back and forth by hand. However, it is difficult to quickly restore the original shape of the nylon filaments recovered in the second time after sweeping, and may even cause deformation of the brush filaments.

Nylon brush filament 3. Combustion method. Use a lighter to ignite part of the filaments of the nylon brush. The nylon filaments produced by secondary recycling will emit a lot of black smoke and a pungent smell due to impure materials. When burning, there will be black drippings; and after burning, there will be light white smoke without special odor, and the white smoke has a smell of burning feathers. The inner layer of the flame is light blue, and the outer layer is yellow, which is a new nylon material. wire.

Nylon brush filament nylon brush filament market is uneven, consumers should "wear good glasses" carefully distinguish, beware of traps set by bad businesses; when buying bad brush products, they should also bravely take up legal weapons to protect their own interests .