... also able to bear chemicals and oil. 1.Desc.Nylon 66 filament is the heat-resistant, good low temperature performance product ... for comb,toothbrush, cleaning brush and industrial use, etc.Nylon PA66 is raw material used for making PA66 industrial filaments ... for toothbrushes, tapered filaments, abrasive filaments, and industrial filaments.The main material is PBT,NYLON,PA6,PA66,PA610,PA612,PP, ...