As is known, Stone mastic asphalt (SMA) with the use of stabilizing “Hrizopro” additives sdvigoustoychivosti provides high performance, water resistance and the optimal roughness of the road surface.

These properties are due to higher content of bitumen and gravel in the mix, as well as the introduction of a stabilizing additive based on pulp stone fibers, by which the unique properties of the particulate stabilization and reinforcement, help retain gravel on the surface of a large amount of free bitumen.