Asphalt also known as bitumen is a sticky black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product; it is a substance classed as a pitch.
The primary use (70%) of asphalt/bitumen is in road construction, where it is used as the glue or binder mixed with aggregate particles to create asphalt concrete. Its other main uses are for bituminous waterproofing products, including production of roofing felt and for sealing flat roofs.
The terms asphalt and bitumen are often used interchangeably to mean both natural and manufactured forms of the substance. In American English, asphalt (or asphalt cement) is the carefully refined residue from the distillation process of selected crude oils. Outside the United States, the product is often called bitumen. Geologists often prefer the term bitumen. Common usage often refers to various forms of asphalt/bitumen as “tar”, such as at the La Brea Tar Pits. Another archaic term for asphalt/bitumen is “pitch”.

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Product nameDownloadDensity (g/ml)Softening PointManufactures
Bitumen 60/70TDS - MSDS1010-106049-56Jay Petrochemical Co.
Bitumen 40/50TDS - MSDS1010-106052-60Jay Petrochemical Co.