Methods of test for masonry units - Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling Ingestion-build-47553 BS EN 3841-301 is one

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Methods of test for masonry units - Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling Ingestion-build-47553 BS EN 3841-301 is one1 Scope This European Standard specifies a method of determining the volume and percentage of voids and net volume of clay and cacium silicate masonry units containing cells, frog and holes.