NHL 3.5
It is a pure medium-strength white NATURAL HYDRAULIC LIME from SAINT-ASTIER, produced using selected siliceous limestones.
The limestones are fired in vertical kilns at a temperature of less than 1,250° C and reduced to a powder by extinguishing the calcium oxide alone, without the need for grinding. NHL 3.5 is totally free of pozzolanic materials, blast furnace slag, fly ash or hydraulic binders of any kind (clinker, cement, etc.), VOC and is compliant with UNI EN 459-1.