There are mainly two ways to make the protective goggle lens with anti-fog function. The first way is use anti-fog PC material to produce the lens. But this PC mateiral is not economic. The second way, coasting the lens with anti-fog coast. This is cheaper way. But lens need with coasting hanger. So when design the protective goggle lens mould, need to design the coasting hanger on the mould.

Above is the protective goggle lens anti-fog coasting hanger design on the mould 3D picture. Hanger design can be according customer’s request or coasting factory’s request.