(1) This Technical Specification specifies a Dynamic Surface Leaching Test (DSLT) which is aimed at determining the release per unit surface area as a function of time of inorganic and/or non-volatile organic substances from a monolithic, plate- or sheet-like product, when it is put into contact with an aqueous solution (leachant). The test method is not suitable for substances that are volatile under ambient conditions. (2) This test is a parameter specific test focusing on identifying and specifying parameter specific properties tested under specified conditions. It is not aimed at simulating real situations. The application of results to specific intended conditions of use may be established by means of modelling (not included in this Technical Specification). (3) The modification for granular construction products with low hydraulic conductivity (Annex A) applies for granular particles with so little drainage capacity between the grains that percolation in percolation tests and in practice is nearly impossible. (4) The test method applies to more or less regularly shaped test portions consisting of monolithic test pieces with minimum dimensions of 40 mm in all directions (volume > 64000 mm 3(64 cm 3 )). It also applies to plate- or sheet-like products with surface areas of minimum 10000 mm 2(100 cm 2 ) exposed to the leachant. Products designed to drain water (e. g. draining tiles, porous asphalt) and monolithic granular products according to CEN/TS 16637-1:2014, Table 1, are also tested by this test method. All products to be tested are assumed to maintain their integrity over a time frame relevant for the considered intended use. (5) Metals, metallic coatings and organic coatings on metals are excluded from the scope of CEN/TS 16637-2 because the principles of this test (diffusion) are not obeyed by these products. Guidance on the need for testing of these products is under consideration. (6) For some coatings (e. g. some renders with organic binders according
CEN/TS 16637-2-2014由欧洲标准化委员会 IX-CEN 发布于 2014-08。
CEN/TS 16637-2-2014 在中国标准分类中归属于: Z60 污染物排放综合,在国际标准分类中归属于: 13.040.20 环境空气,19.040 环境试验,91.100.01 建筑材料综合。
* 在 CEN/TS 16637-2-2014 发布之后有更新,请注意新发布标准的变化。
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