How are brush filaments made?
Nowdays, most existing filaments are made from two polyester plastics, PBT and PET.
The production of brush filaments is to mix the two raw materials in proportion, put them into an extruder to heat the extruded filaments, and then cool the filaments.
At this time, processes such as stretching and shaping can be performed.
After that, the filament can be cut to different lengths with a knife as needed. Finally, the filament is combed and packaged by workers.
After strict quality inspection, the final shipment.
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