... stiffness Excellent bend recover Nylon Filament for Toothbrush,Pa610/PA612 toothbrush Filaments 1.Technical Parameter :- ItemParameterRaw MaterialPA610 ... is available,OEM are welcome.Exclusive and Unique solution can be provided to our customers ... Cosmetic brush filament, Shaving brush filament, Nailbrush filament,- Toothbrush filament,- Paintbrush filament,- Carwash brush filament,- Strip brush ...