DIN EN 772-4:1998 Methods of test for masonry units - Part 4: Determination of real and bulk density and of total and open porosity for natural stone masonry units; German version EN 772-4:1998
The document specifies a method of determining the real density and the bulk density and the open and total porosity of natural stone masonry units.
DIN EN 772-4:1998 history
1998DIN EN 772-4:1998-10 Methods of test for masonry units - Part 4: Determination of real and bulk density and of total and open porosity for natural stone masonry units; German version EN 772-4:1998
1998DIN EN 772-4:1998 Methods of test for masonry units - Part 4: Determination of real and bulk density and of total and open porosity for natural stone masonry units; German version EN 772-4:1998