EN 14891:2017 用于瓷砖下部,胶粘剂粘合的防水渗透的液体产品-性能,分类和标识的要求,试验方法,评定和验证
Liquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements@ test methods@ assessment and verification of constancy of performance@ classification and marking