The possibility of clouding, which is related to potential copper oxidation is also eliminated, making a copper-free mirror a superior product for the market.

• 无铜镜技术同时也解决了铜镜中铜层氧化后镜子会出现雾状而模糊不清的状况。对制镜市场来说，无铜镜已经是一名名副其实的高品质产品。