Q: What cleaning brushes can the brush filaments� be applied to? A:� Food industry cleaning brushes, household cleaning brushes, industrial cleaning brushes, etc.Q: Which materials are commonly used as filaments? A: Nylon 6, Nylon 66, Nylon 610, Nylon 612, PP, PBT,etc. Q: What professional tests can be passed? A: RoHS, PHTHALATES, FDA, PAHS, Bisphenol A, UL94, etc. Q: Is customization� supported? A:Support to customize filament material, filament� diameter, color, length, shape, product function (antibacterial, anti-static, anti-UV, conductive, flame retardant, etc.), packaging method, etc. Q:How to choose� filaments for cleaning brushes? A:Different application have very different requirements � for material ,temperature tolerance, wear resistance, water absorption, fatigue resistance, resilience, softness and hardness, as well as additional functions of the product. So it depends on the specific application and functional requirements.For� more information,please contact us.