本欧洲标准规定了组织材料，组成和混合程序，以生产具有规定一致性的参考砖石砂浆，用于测试EN 934-3中定义的砂浆混合物。它还描述了与对照组合相比测试混合物的水分减少的确定

This European Standard specifies the constituent materials, the composition and the mixing procedure to produce a reference masonry mortar with a prescribed consistence for testing mortar admixtures as defined in EN 934-3. It also describes the determination of the water reduction of the test mix compared to the control mix.