2mm-50mm Plastic Balls Solid Round Ball POM Ball Bearing Polyformaldehyde White 

Material : POM plastic ball
Polyoxymethylene is known as polyoxymethylene (POM), also known as steel, special steel. It has good physical, mechanical and chemical properties, especially excellent friction resistance. It is similar to nylon. However, it is slightly harder than nylon, slightly denser noise, low friction and other characteristics can be used for a long time in the -40-130 ° C temperature range. Its wear resistance and self-lubrication is also superior to the majority of engineering plastics, but also has good oil resistance, peroxide resistance.
Usage
Typically used in table and drawer slides, bearings, rollers, valves and electronic devices, sailing devices.

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