Bitumen 30/40

Iran bitumen penetration grade 30-40 is semi hard penetration grade bitumen using as paving grade bitumen suitable for road construction and repair also for the production of asphalt pavements with below technical specification. This grade of bitumen is mainly used in the manufacture of hot mix asphalt for bases and wearing courses.Bitumen 30-40 is most used bitumen grade and basic material for all other bituminous products.

Analysis Unit Limit Test Method
Density@25˚C Kg/m3 1010-1060 ASTM D7 or D3289
Penetration@25˚C mm/10 30-40 ASTM D5
Softening Point ˚C 55-63 ASTM D36
Ductility@25˚C cm 100 min ASTM D113
Loss on heating Wt% 0.2 Max ASTM D6
Drop in Penetration after heating % 20 Max ASTM D5
Flash Point ˚C 250 Min ASTM D92
Solubility in Trichloroethylene Wt% 99.05 Min ASTM D2042
Spot Test Negative AASHTO T102
Viscosity@60˚C P 4000±800 ASTM D2171
Viscosity@135˚C cSt 400 Min ASTM D2170

Definition of bitumen penetration grade 30/40

Penetration grade bitumen supplied by Iran Bitumen Co. is pure petroleum grade bitumen, manufactured from vacuum bottom by passing hot air. The bitumen supplied by Iran Bitumen Co. is produced from remain of crude oil after cracking and removing hydrocarbon. Penetration grade bitumen 30-40 has penetration between 30~40 desi-millimeter and softening point between 52 ~ 60C. The penetration grade bitumen 30-40 has a thermoplastic property which is like as synthetic resin material which gets softer with heating and hardens when cooled. This grade of bitumen 30/40 has very strong viscosity compare to other grades.

Iran Bitumen Co. guaranty the quality of bitumen 30-40 with arrangement of international inspector to check quality and quantity of the bitumen during the loading to vessel and controlling the production by QC by batch test report before shipping. Iran Bitumen Co. bitumen quality is as per ASTM/EN 12591.

Application of bitumen penetration grade 30/40

Iran bitumen Company guaranty the quality of bitumen penetration grade 30/40 with the arrangement of the international inspector to check quality and quantity of the bitumen penetration grade 30/40 during the loading to the vessel and controlling the production by QC by batch test report before shipping. iranbitumen Company guarantees the quality to meet with ASTM.

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