国外珍珠岩新技术和新产品的新进展戴宝刚崔玉英（山东建材学院）众所周知我国珍珠岩的开发利用仅有二十几年的历史，但发展很快。目前已有上千家企业，年产膨胀珍珠岩５００万ｍ３。产品主要应用于保温隔热和轻质建筑材料领域。但与世界工业发达国家同行业相比，我国珍珠... The new progress of foreign perlite new technology and new products Dai Baogang Cui Yuying (Shandong Institute of Building Materials) It is well known that the development and utilization of perlite in China is only twenty years old, but it has developed rapidly. At present, there are more than 1,000 companies that annually produce 5 million m3 of expanded perlite. The products are mainly used in the field of thermal insulation and lightweight construction materials. But compared with the industrialized countries in the world, China’s pearls...