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Stone mastic asphalt (SMA) is a special asphalt mixture that contains a high amount of coarse aggregate, mineral filler, bitumen, and cellulose fibers. The asphalt mixture has a high proportion of coarse aggregate, resulting in a significant void space between the aggregates. These voids are filled with fine aggregate, mineral filler, bitumen, and cellulose fibers.
Stone mastic asphalt (SMA) mixtures generally consist of approximately 70% coarse aggregate, 20% fine aggregate, 6% bitumen, and 4% filler in hot asphalt mixtures. It was first produced in Kiel, Germany, in 1960.
Increasing traffic density over time and the surface traces caused by aircraft landings at airports have made the use of stone mastic asphalt necessary. Stone mastic asphalt exhibits high performance under load.
Stone mastic asphalt is used in bridges, viaducts, and airports. It is a long-lasting type of asphalt that is resistant to wheel tracking, skidding, and provides sound insulation properties.
MBA produces cellulose fiber additive units suitable for asphalt plants of all brands and provides the necessary technical support for stone mastic asphalt production.
+90 541 253 58 06
+90 546 726 06 06
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