Bitumen

Bitumen

Bitumen, also known as asphalt, is a black, viscous, and sticky material derived from crude oil refining or obtained naturally. It is primarily used in road construction, waterproofing, and roofing due to its adhesive and water-resistant properties.

Types of Bitumen

Paving Grade Bitumen:

  • Used in road construction and maintenance.
  • Classified by penetration grades (e.g., 60/70, 80/100).

Modified Bitumen:

  • Enhanced with polymers or additives for improved performance.
  • Common types include Polymer Modified Bitumen (PMB) and Crumb Rubber Modified Bitumen (CRMB).

Cutback Bitumen:

  • Bitumen diluted with a solvent to lower viscosity for cold applications.

Emulsified Bitumen:

  • Bitumen dispersed in water for use in cold and wet conditions.

Industrial Grade Bitumen:

  • Used in waterproofing, insulation, and industrial applications.

Natural Bitumen:

  • Found in deposits such as tar sands; also known as asphaltite.
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