1.vapnyak technology, in the form of crushed 30h90mm fraction, with a mass fraction of: calcium carbonate (caco3) - 95,2%, silicon dioxide (sio2) - 1,53%, magnesium oxide (mgo) - 1,07%, the amount sesqui oxides (r2o3) - 0,48%.�designed for the production of lime.�iso b v.2.7-109-2001