Viscosity Bitumen Grades

By March 25, 2019 April 12th, 2019 Bitumen Grades

Viscosity Bitumen Grades

Viscosity Grade Bitumen is specified by ASTM Standard D3381-09 and AASHTO M226-80 (2008). VG Bitumen Specifications cover by Viscosity at 60 ̊C (140 °F).

Two methods of Grading:

Standard Viscosity Grade Bitumen (AC-Grades), in which the Viscosity of the standard bitumen (asphalt) measured at 60 ºC (140 ºF).

RTFOT Viscosity Grade Bitumen (AR-Grades), in which the Viscosity of bitumen (asphalt) measured at 60 °C (140 °F) after the roll on thin film oven test.

Viscosity Grade Bitumen Uses

VG-10 mostly used in spraying applications such as surface dressing and Paving in very cold climate instead of 80/100 Penetration Bitumen Grade. It is also used to produce Bitumen Emulsion and Modified Bitumen products.

VG-20 used for paving in Cold Climate & High altitude regions.

VG-30 especially used to construct Extra Heavy Duty Bitumen Pavements that need to tolerate significant traffic loads. It can be used instead of 60/70 Penetration Bitumen grade.

VG-40 used in highly stressed areas such as intersections, near toll booths and truck parking lots instead of 30/40 Penetration Grade. Because of higher viscosity, stiffer Bitumen mixes can be produced to amend resistance to shoving and other problems related to higher temperature and heavy traffic loads.

Viscosity Bitumen Grades and Specifications

Viscosity Grade VG-10 Bitumen Specifications
Viscosity Grade VG-20 Bitumen Specifications
Viscosity Grade VG-30 Bitumen Specifications
Viscosity Grade VG-40 Bitumen Specifications
Viscosity Grade AC-2.5 Bitumen Specifications
Viscosity Grade AC-5 Bitumen Specifications
Viscosity Grade AC-10 Bitumen Specifications
Viscosity Grade AC-20 Bitumen Specifications
Viscosity Grade AC-30 Bitumen Specifications
Viscosity Grade AC-40 Bitumen Specifications
Viscosity Grade AR-1000 Bitumen Specifications
Viscosity Grade AR-2000 Bitumen Specifications
Viscosity Grade AR-4000 Bitumen Specifications
Viscosity Grade AR-8000 Bitumen Specifications
Viscosity Grade AR-16000 Bitumen Specifications

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