Stone Mastic Asphalt (SMA)

SMA was developed in Germany in the mid of 1960's and it has spread throughout Europe and across the world in 1980's and 1990's respectively. The excellent performances include resistant to mechanical and temperature deformation, cracking, and particularly rutting, resistant to weathering actions such as aging and low-temperature cracking. Durability is excellent even under slow moving heavy traffic. The textured surface increases skid-resistance and provides environmental and driving comfort by reduced noise level, and improved visibility in rainy days.