Patent ID: 8974598
Filing Date: 2015-03-10
Classification: C04B,Y02P,Y02W

Abstract:
1. A binder mix, comprising in mass proportions: from 10% to 25% of a material of an ultrafine particle size category, the individual particles of which have a D90 value less than 1 μm and/or a BET specific surface greater than 5 m from 8% to 25% of selected Portland cement; from 25% to 40% of a material, other than the cement, of a fine particle size category, the particles of which have a D10 and D90 value from 1 μm to 120 μm and a BET specific surface less than 5 m from 20% to 60% of a material of a medium particle size category, the particles of which have a D10 and D90 value from 120 μm to 5 mm.