Bitumen 80/100

Bitumen 80/100 is a standard penetration grade bitumen usually used as a paving grade bitumen suitable to be used in producing hot mix asphalt for road construction and production of asphalt pavements with superior properties as per following technical specification.

Analysis Unit Limit Test Method
Density@25˚C Kg/m3 1010-1060 ASTM D7 or D3289
Penetration@25˚C mm/10 80-100 ASTM D5
Softening Point ˚C 42 Min ASTM D36
Ductility@25˚C cm 100 min ASTM D113
Loss on heating Wt% 0.5 Max ASTM D6
Drop in Penetration after heating % 20 Max ASTM D5
Flash Point ˚C 232 Min ASTM D92
Solubility in Trichloroethylene Wt% 99.0 Min ASTM D2042
Spot Test Negative AASHTO T102
Viscosity@60˚C P 1000±200 ASTM D2171
Viscosity@135˚C cSt 250 Min ASTM D2170

Definition of bitumen penetration grade 80/100

Bitumen Penetration Grade 80/100 is a standard penetration grade Bitumen usually used as a Paving Grade Bitumen suitable for road construction and for the production of asphalt pavements with superior properties. This grade of Bitumen is mainly used in the manufacture of hot mix asphalt for bases and wearing courses. Penetration Grade Bitumen supplied by Iranbitumen Co. is petroleum grade bitumen, manufactured from fractional / vacuum distillation of crude oil. The Bitumen supplied by iranbitumen Trading Co. is produced from the vacuum residue (short residue) feedstock. Penetration Grade bitumens are specified by the penetration and softening point test. The designation is by penetration range only. The penetration grade bitumens have a thermoplastic property which causes the material to soften at high temperatures and to harden at lower temperatures. This unique temperature/ viscosity relationship is important when determining the performance parameters such as the adhesion, rheology, durability and application temperatures of bitumen.

The Bitumen mode is dependent on temperature. The temperature-vs-stiffness relationship of bitumen is dependent on the type of crude oil and its refining method. Bitumen penetration grade 80/100 is semi-hard penetration grade bitumen used as a paving grade bitumen which is suitable for road construction and repair. It is also used for the production of asphalt pavements with the below technical specification. This grade of bitumen is mainly used in the manufacturing of hot mix asphalt for bases and wearing courses. Bitumen penetration grade 80/100 is one of the most used bitumen grades and it’s a basic material for all other bituminous products.

Application of bitumen penetration grade 80/100

Bitumen 80/100 is suitable for road construction and for the asphalt pavements with superior properties. This type of bitumen used in the manufacture of hot mix asphalt for bases and wearing courses.

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