纸面石膏板就是正反面都用纸包覆、中间为微孔石膏芯材的石膏板。1902年首先在美国问世,现在在世界各国都得到了迅速的发展。美国最高年产量达19亿平方米,日本近3亿平方米,英国和苏联各约1亿平方米。我国在70年代后期开发这种产品,先后在北京、哈尔滨和沈阳等地建厂。北京年生产能力 Gypsum plasterboard is a gypsum board that is covered with paper on both sides and has a microporous gypsum core material in the middle. First appeared in the United States in 1902, and now it has developed rapidly in all countries of the world. The highest annual production in the United States is 1.9 billion square meters, Japan is nearly 300 million square meters, and the United Kingdom and the Soviet Union are each about 100 million square meters. China developed this product in the late 1970s and successively established plants in Beijing, Harbin, and Shenyang. Beijing annual production capacity