Methods of test for mortar for masonry - Determination of air content of fresh mortar Ingestion-build-258901 BS 3984 provides you with

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Methods of test for mortar for masonry - Determination of air content of fresh mortar Ingestion-build-258901 BS 3984 provides you with1 Scope This European Standard specifies two methods for determining the air content of fresh mortars including those containing mineral binders and both dense and lightweight aggregates. Method A The pressure method and Method B The alcohol method. For air content less than 20 %, method A is applicable. For air content of 20 % or more, method B is applicable.