ROCANEGRA is a kind of expansive chemical product, When it mixedwith clean and cold water to be mortar poured into pre-drillingholes rock concrete, swells exerts expansivecapabilities on the hole-wall at unit value more than(8000kg/cm2 .) which strong enough cut crack reinforcedconcrete, marble granite after while. And can ...

We are dedicated for more than 10 years manufacturing and providing quality products to the industrial construction markets in field of thermal&acoustic insulation fireproofing. able specify, sell install our mainly latin american caribbean countries. ...