本文件规定了用于测试密封剂的砂浆、玻璃和阳极氧化铝基材的生产程序。 这些要求的目的是通过精确定义试验基质的成分和制备方法，确保对密封剂进行的标准化试验的再现性。 本文件中定义的基材是密封剂性能的指标，而不是再现建筑材料特性的基材。

This document specifies the procedures for producing substrates of mortar, glass and anodized aluminium used for testing sealants. The purpose of these requirements is to ensure the reproducibility of the standardized tests conducted on sealants through the precise definition of both the composition and the method of preparation of the test substrates. The substrates defined in this document are indicators of the sealant's performance and not substrates which reproduce the characteristics of the construction materials.