... breaking rocks 2.no license for blasting 3.High quality, low price 4.original manufacturer. CRACKAG Expansion Mortar ... trial tests, the quality properties of CRACKAG, like performance ratio, consumption ratio,cracking efficiency and so on, prove ... Granite, marble, sandstone, limestone, quartzite quarrying.B. Rocks pre-splitting, fracture, cutting, demolishing and removal.C. Controlled demolition ...