行业中经常涉及到欧洲标准等技术性术语，但很多从业人员对标准的理解却极其缺乏甚至误读。 Technical terms, such as European standards, are often involved in the industry, but many practitioners are extremely deficient or even misreading standards. 　　由于英国在弹性地板历史重要地位，BS英国标准成为最早的地板生产标准，如：BS3260为硬质PVC片材标准，BS3261B为半柔性PVC片材标准，BS3261A为柔性PVC卷材标准;1997年欧盟在BS基础上统一了EN标准，延续至今较常用的生产标准包括： Due to the important position in the history of the British in elastic floor, the floor of the British standard BS became the earliest production standards, such as: BS3260 for hard PVC sheet, BS3261B for half of the flexible PVC sheet, BS3261A for flexible PVC coil standards; In 1997, the European Union unified EN standard on the basis of BS, and the more commonly used production standards are: 　　EN 649：covering homgeneous and heterogeneous vinyls, and replacing BS3261A 均质和非均质聚氯乙烯地板规范 EN 649: covering homgeneous and heterogeneous vinyls, and replacing BS3261A homogeneous and heterogeneous PVC floor specification 　　EN 651：covering homogeneous and heterogeneous vinyls on PVC foam, and replacing BS 5085 带泡沫层的聚氯乙烯地板规范 EN 651: it is the standard of polyvinyl chloride flooring with foam layers and foam layers 　　EN 653：covering expanded PVC flooring such as cushion vinyls 发泡聚氯乙烯地板规范 EN 653: the covering expanded PVC flooring such as foam polyvinyl chloride floor specification