What is PVC waterproof membrane?

The material of the anti-fouling film of the PVC membrane science popularization membrane is mainly fluoride. There are two processing methods, one is the immersion method, the other is the vacuum coating, and the most commonly used method is the vacuum coating. After the anti-reflective film layer is completed, the fluoride can be plated on the reflective film using an evaporation process. The anti-fouling film can cover the porous anti-reflective film layer, and can reduce the contact area of water and oil with the lens, so that the oil and water droplets are not easy to adhere to the surface of the lens, so it is also called a waterproof film.