Asphalt Additives; Increase the Strength and Frequency of Bonding between Asphalt and Aggregate

 

Asphalt Additives
Asphalt Additives 

Asphalt additives are substances added to the asphalt binder to alter the characteristics of the final blend of Hot Mix Asphalt (HMA). HMA is the combination of around 95% gravel, sand, or stone bound together with the help of asphalt cement; heated aggregate, mixed, and combined with the aggregate at an HMA facility. Various types of additives are used, which enhance the performance and durability of asphalt. These additives reduce the risk of potholes, cracking, and raveling. They also improve the flow and wettability of asphalt binder, which increases its resistance to moisture damage. They also lower the compaction temperature and increase its resilient modulus.

According to Coherent Market Insights the Asphalt Additives Market Global Industry Insights, Trends, Outlook, and Opportunity Analysis, 2022-2028.

Asphalt additives offer various advantages such as stripping resistance, reduced moisture damage, reduced thermal cracking, rutting resistance, & improved pavement performance. These additives increase the adhesive force between asphalt cement and aggregates to prevent cracks, unravel, and deformation. Asphalt additives improve road quality, durability, and overall life of the asphalt. Adhesion promoters create a strong chemical bond between the aggregate and the bitumen, which enhances the overall strength of asphalt. These additives are used in civil engineering projects, such as parking lot construction, highway construction and waterproofing applications.

These additives also reduce raveling, stripping, permanent deformation, cracking, and more. They are used in road paving, road construction, roofing, runway, parking lots, and airports. Some of the most commonly used additives are asphalt powder, asphalt sealer, and grout and dirt attractants. Asphalt powders add flexibility and elasticity to asphalt, resulting in better traction and durability during inclement weather. These additives have proven to increase the durability and workability of the asphalt, which leads to longer life. They improve aggregate coating and increase the strength and frequency of chemical bonding between asphalt and aggregate.

In July 2022, the United States Department of Agriculture (USDA) granted BioPreferred status on Colorbiotics' Invigorate Additive and Invigorate Topical, utilized in both asphalt application and reclamation projects, and Peak 301, a sprayed-on rejuvenator and protectant for asphalt shingles.

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