PBT filament can be made into cosmetic brush. It is flexible and soft, resisting acid and base. It is a good choice for you.

Diameter	0.05mm or above
Cross-section	Upon customer's request
Cut length	25mm or above ±1.0mm
Standard Cut Length	1200mm
Bundle Diameter	50±2mm
Package	White crepe paper,PE tube,PE wrap,Spool
Qualified Tests	RoHS,EEC

PBT hollow filament has the good recover ability, it's good for processing the high-quality paint brush, etc.

PBT tapered filament is divided into single tapered PBT filament and double tapered PBT filament. Single tapered PBT filament is used for processing paint brush. And Double tapered PBT filament is used for processing toothbrush and cosmetic brush ,etc.

PBT tinct filament can be dyed different colors according to customer's request. Usually it's used for processing cosmetic brush or paint brush, etc.

PBT filament for Making cosmetic brush