PASTELLONE is a compact satin-effect, smoothing compound for intonachino plaster finish, biocompatible, pre-packaged powder for internal and external use according to the standard UNI EN 998-1. PASTELLONE is totally free of concrete and compounds belonging to the clinker group. It is made up of a mixture of pure silicate calcareous sands, screened with continuous grain size arc from 0 to 0.4 mm. The only binder is the ST -ASTIER Pure Natural Hydraulic Lime NHL 5 according to standard UNI EN 459-1. The lime NHL 5, white, is produced by baking silica limestones at temperatures below 1250° C and reduced to powder by only the breakdown of the calcium oxide without the addition of pozzolanic or hydraulic binders of any kind.