Sulphur in lents
CONCRETE LABORATORY PRODUCTS
![](http://i0.wp.com/www.standard-sand.com/wp-content/uploads/2016/09/categorie_beton.jpg?resize=300%2C177)
SAND FOR REFERENCE MASONRY MORTAR EN 480-13
CHARACTERISTICS
Sand EN 480-13 is made of natural siliceous matter (silica content higher than 97 %) having a water content lower than 0,1 %. Its average density is 2,63 t/m3. Grains of the sand are uncrushed and rounded shape. Sand is package in bag of 3 440±10 g. It is used to prepare reference cement masonry mortar so as to assess the efficiency of admixtures.
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