... Diameter44-47MMPackage25KGS each carton2.Application:-PA612 (Polyamide 612 or nylon 612) resin are melt-extruded into filaments, cooled ... , and brilliant colors. 3.Description:-PA612 (Polyamide 612 or nylon 612) resin, PA610 (Polyamide 610 or nylon 610) ... Nylon66 filament, Nylon 46 filament, Nylon 610 filament, Nylon 612 filament,- PBT filament : Polybutylene Terephthalate filament,- PE filament ...