塑料门窗

Door and Windows of Plastics

塑料门窗是继木、钢、铝等之后新兴起的第四代建筑门窗，具有显著的节能效果和其他优良的特性。本文系统介绍了塑料门窗的类别、性能特点、技术指标、社会经济效益及应用前景。

：Door and windows of plastics is the fourth generation of door and window used in the constructionwhich were developed after the ones made of woodsteel and aluminiumand had marked effect on energy saving and other advantages．This paper discusses their typescharacteristicsperformancessocial and economical benefitand application prosperity．