PBT brush filament , ultra-fine diameter, brush filament diameter can reach 0.04mm or above, high strength, good elasticity, fatigue resistance, solvent resistance, low water absorption, suitable for wet water environments.Support to customize functions, like anti-static, negative ion, antibacterial, UV resistant, flame retardant, etc. Mainly apply on nail polish brushes, strip brushes, industrial brushes, twisted wire brushes, etc.

The diameter of nylon 612 brush filament is ≥ 0.05mm. Nylon 612 brush filament has excellent physical properties and is one of the high-end products of the nylon brush filament series. It has excellent resilience, wear resistance, and low water absorption, and is mainly used for high-end toothbrushes, facial brushes, and industrial brushes.