... the brushes which are working in the wet environment.Comparing with Nylon 612, it’s more economical,generally PBT filament is used ... , abrasive filaments, and industrial filaments.The main material is PBT,NYLON,PA6,PA66,PA610,PA612,PP,PS etc.We adopt high ... ., Japan and Europe. Monthly capacity is over 500MT. Our filaments with good quality and better prices are suitable for all brushes ...