1, use scissors or razor blade to cut: use scissors or razor blade to gently cut along the edge of the silicone duckbill valve, make sure that the cut is neat and smooth, in order to avoid damage to the silicone or leave burrs.
2. Cutting with a hot air gun: Heat the silicone duckbill valve with a hot air gun to make it soft and easy to cut.
3, the use of laser cutting machine for cutting: laser cutting machine can accurately cut silicone duckbill valve, and the cut is smooth and neat. However, it should be noted that the use of laser cutting machine requires specialized skills and equipment, improper operation will cause damage to the material.