Binder UNI EN 1342:2013

Technical data sheet porphyry binders The porphyry binders are used around the edge of a paved area often to outline the area but they also are used ad paving elements in their own right. Petrographic name Rhyolitic ignimbrite Colour Non-dominant variable-colour grades: grey, red, red-violet and rust or mixed colours Main processing By mechanical splitting of stratified material with a natural quarry of variable thickness