世界白银协会：2016年环氧乙烷和光伏行业银需求前景报告（英文版）

Silver is a soft, white and lustrous precious metal which has the highest electrical and thermal conductivity of all metals. It is found in pure form, or more commonly with gold, lead, and zinc. With a history that dates back more than 5,000 years, silver has had valuable uses throughout the ages. Today, it is a common element in jewelry, tableware, and coins and bars. Its thermal and electrical conductivity properties also make it an essential industrial metal. In 2015, of the 1,170 million