![POZZOLAN Image](https://www.prolat.gr/wp-content/uploads/2015/07/posolana-400x4601.jpg)
POZZOLAN
Natural pozzolan is an industrial mineral of volcanic origin and contains a high percentage of active silica and aluminum oxide - alumina.
Sack 30kg
Natural pozzolan is an industrial mineral of volcanic origin and contains a high percentage of active silica and aluminum oxide - alumina.
Sack 30kg