DIN 52253-2 (1988-12)被替代
Testing The Frost Resistance Of Roofing Tiles; Freeze-thaw Test With Freezing On All Sides After Impregnation With Water Under Vacuum
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
基本信息
标准编号： DIN 52253-2 (1988-12)
发布时间：1988/12/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
The test method described serves to assess the frost resistance of roofing tiles ('tiles', for short). It involves freezing tiles on all slides after impregnation with water under vacuum.
