Asphalt additives are chemicals or substances that are added to asphalt to modify the final outcome of asphalt binder. Asphalt additives are materials that enhance the adhesive force between aggregates and asphalt cements preventing cracking, unraveling and deformation. Asphalt additives offers various advantages such as improved pavement performance, rutting resistance, reduced thermal cracking, reduced moisture damage and stripping resistance. Asphalt additive are generally used in road surfaces, airports, parking lots, runway, roofing, road construction and road paving. Hot mix asphalt is a mixture of approximately 95% stone, sand bound together with the help of asphalt cement, which is a product of crude oil. The asphalt cement used for binding is a heated aggregate, combined, and mixed with the aggregate at a hot mix asphalt facility.
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Mix designs of asphalt additives are required to determine the grade and percent of emulsion used, as well as the workability, stability, strength and moisture. Cold mix asphalt is manufactured by emulsifying the asphalt mix with the aggregates. In emulsified state the asphalt is less viscous and the mixture is easy to work even in cold temperatures. Cold mix asphalt are ideal for road repairs as they require smaller volume. They are best alternatives to the conventional hot mix, due to their long duration storage ability. The production of cold mix asphalt is relatively eco-friendly, with very low associated emissions and reduced fuel consumption.
In construction industry, Asphalt is the most extensively used road construction and paving material, due to their durability and resilience. Asphalt additives are used for new construction as well as maintenance activities. Asphalt derivatives are used in formulating mortar admixtures and concrete. They also find application in manufacturing of gypsum, cement plasterboard and asphalt emulsions.
Asphalt Additives Market Outlook – Need for Increasing Road Infrastructure to be the Major Market Driver.
Advances in bio-based additives such as bio asphalt binder and lignifame are expected to create opportunities for global asphalt additives market. Global market growth is assisted by rules and regulations implemented by Government agencies such as Environmental Protection Agency, which are favoring these additives. Harsh environmental factors such as rain or heat and excessive traffic load are hampering the global asphalt additives market growth. Poor quality of material used for construction and low awareness of performance enhancing asphalt additives are predicated to slow down the global market growth.
Asia Pacific and Middle East regions have increasing demands of asphalt additives, due to their reusable applications. Expansion in various geographies is a key strategy adopted by the major players in the asphalt additives market. IN September 2015, CalPortland completed expansion of the business in California which will add to the manufacturing capacity of the company. Evonik, Tr Chem Industries, DuPont Evalay, MeadWestvaco Corporation, Akzo Nobel, Kao Corporation, Delta Companies and Arr. Maz CalPortland, AkzoNobel N.V., Tri-Chem Industries, Ingevity, E. I. du Pont de Nemours and Company, Evonik Industries AG, Huntsman International LLC, Kao Corporation, Honeywell International Inc., ArrMaz, and The Arkema Group are the potential companies operating in asphalt additive market industry.
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