This European standard specifies a method for determining the surface hardness of moulded mortar specimens made from magnesite screed material or from cementitious screed-, calcium sulfate screed-, and synthetic resin screed material with fine aggregates (</- 4mm). The method is also suitable for specimens cut from floor screed.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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