Plastic steel profiles are made of polyvinyl chloride (PVC) resin as main raw material, with a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc..
Ordinary plastic profiles will be deformed, the color is monotonous, usually white, if you want to change the color, you have to add PVC attached film, long time PVC film will be pale.
Automotive products industry in the use of plastic steel, material requirements are relatively high, the most typical is the engine chassis protection plate, has been widely used by most riders.
Plastic steel is now also used to make tapered roller bearing holders. Plastic steel holder:
1, reduce friction and roller sliding, reduce the working temperature;
2, improve safety and service performance;
3, fail safe mode, don't get stuck..