| 1. | Paper faced gypsum board is mainly made of construction plaster calcined with natural gypsum or chemical by - product and protective paper , mixing with fiber , modified starch , coagulant agent , vesicant and water . which are mixed , formed , coagulated , cut , dryed and sliced into light construction material . they have advantages of light weight , fire resistance , soundproof , damp proof , heat insulation , easy to operate sawn , nailed or milled an disassemble . it s widely applied in industrial and civil constructions , especially widely used as interior wall , less loading wall , ceiling etc in high buildings
纸面石膏是以建筑石膏利用天然石膏或化学副产品石膏煅烧制得和护面纸为主要原料，掺加适量纤维改性淀粉促凝剂发泡剂和水，经混合成型凝固切断烘干切边等工序制成的轻质建筑板材。 |
