Bitumen, Tar and Asphalt: A Binder, a Mix and a Coal Product
In short: Bitumen is the binder left after crude oil is distilled, asphalt is the finished mix of that binder with aggregate, and tar comes from coal and is chemically different, with a very different health profile.
A 1:57 short film in the series “How Things Work”, narrated by intellect_voice_01.
Sources used in this film: bitumenoxidised.com (a bitumen supplier), “Bitumen vs Asphalt | The Difference Explained”; Taylor & Francis (Road Materials and Pavement Design), “Aging behaviour and mechanical characterisation of maltenes and asphaltenes”; Environmental Science & Technology (American Chemical Society), via PubMed Central (US National Library of Medicine), “Coal-Tar-Based Pavement Sealcoat and PAHs: Implications for the Environment, Human Health, and Stormwater Management”; U.S. Department of Transportation (ROSA P repository, National Transportation Library), “DOT ROSA P”.
Sources used in this film
- bitumenoxidised.com (a bitumen supplier) — Bitumen vs Asphalt | The Difference Explained · View →
- Taylor & Francis (Road Materials and Pavement Design) — Aging behaviour and mechanical characterisation of maltenes and asphaltenes · View →
- Environmental Science & Technology (American Chemical Society), via PubMed Central (US National Library of Medicine) — Coal-Tar-Based Pavement Sealcoat and PAHs: Implications for the Environment, Human Health, and Stormwater Management · View →
- U.S. Department of Transportation (ROSA P repository, National Transportation Library) — DOT ROSA P · View →
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Sources
- Summary by Intellect · source: bitumenoxidised.com (a bitumen supplier): Bitumen vs Asphalt | The Difference Explained
- Also: Taylor & Francis (Road Materials and Pavement Design): Aging behaviour and mechanical characterisation of maltenes and asphaltenes
- Also: Environmental Science & Technology (American Chemical Society), via PubMed Central (US National Library of Medicine): Coal-Tar-Based Pavement Sealcoat and PAHs: Implications for the Environment, Human Health, and Stormwater Management
- Also: U.S. Department of Transportation (ROSA P repository, National Transportation Library): DOT ROSA P
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