... the manufacture of daily life brushes and industrial brush Crimp Frequency Filament Section Filament ... crimps±0.5 crimpsPA, PBT, PP, PET, PVCPA, PBT, PP, PET, PVC Large crimp (LW)(2-3 ... .5 crimpsPA, PBT, PP, PET, PVCPA, PBT, PP, PET, PVCPA, PBT, PP, PET, PVC Very large crimp (XLW ... retardant, antistatic, etc..Low temperature performance and chemical stability is good. Black and white series of filament