... ,Pa610/PA612 toothbrush Filaments 1.Product Description:-Solid round level filamentCylindrical2.Technology :-Good wet stiffnessExcellent bend recovery3 ... Material is PET,PBT,NYLON, PA6,PA610,PA612,PP.We adopt high quality material from the U. ... ,- PMMA filament : Poly(Methyl Methacrylate) filament, Acrylic filament,- PP filament : PPN filament, Polypropylene filament, Polypropene filament,- PPS filament ...