Bitumen originating in Iran is available from PERSOL to customers in a wide range of countries, including China, India, Thailand, and Vietnam. To meet the needs of asphalt manufacturers, road builders, and the construction sector, PERSOL supplies bitumen in different grades namely 40-50, 60-70, 85-100, based on softening points and penetration values as well as Natural Bitumen (Gilsonite).

Types of Bitumen

  • Natural Bitumen

This bitumen is extracted from mines, it is also known as Gilsonite. It is used in many industries, including road construction, the paint industry, the polish and insulation of tanks and tubes, and molding.

  • Coal Tar

This type of bitumen is a black or dark-brown residue produced by the heat treatment of coal

  • Petroleum Bitumen

This bitumen is a mixture of hydrocarbons derived from petroleum. This black or brown substance can vary from viscous to solid based on the air blowing process.

Road construction and Asphalt
Roofing in construction
Manufacturing of paints and printing inks

Analysis Test Method Unit 40-50 60-70 85-100
Density @ 25 °C ASTM D-70 or D3289 kg/m 1010-1060 1010-1060 1000-1050
Penetration @ 25 °C ASTM D-5 mm/10 40-50 60-70 85-100
Softening Point ASTM D-36 °C 49 min 49-56 42
Ductillity @  25 °C ASTM D-113 cm 100min 100min 100min
Loss on heating ASTM D-6 wt% 0.2-max 0.2-max 0.5-max
Drop in penetration after heating ASTM D-5 % 20 max 20 max 20 max
Flash Point ASTM D-92 °C 232 min 232 min 232 min
Solubility in Trichloroethylene ASTM D-2042 wt% 99.0 min 99.0 min 99.0 min
Spot test A.A.S.H.O.T 102 —– Negative Negative Negative
Viscosity @ 60 °C ASTM D-2171 P 4000±800 2000±400 1000±200
Viscosity @ 135 °C ASTM D-2171 c.St 400 min 300 min 250 min
Test on Residue From Thin Film Oven Test (ASTM D1754}
Retained Penetration after (T.F.O.T).% ASTM D-5 % 58 min 54 min 50 min
Ductillity ,(25 °C) , 5 cm/min , cm after TFOT ASTM D-113 cm 50 50 75
Viscosity @ 60 °C ASTM D-2171 P 20000 max 10000 max 5000 max

Persol guaranty the quality of Bitumen with the arrangement of an international inspector to check the quality and quantity of Bitumen during the loading to vessel and control the production by QC by batch test report before shipping.

Kind of Packing Net Weight   Weight of Drum Gross Weight No. of Drum in 20ft Net Weight in 20ft Gross Weight in 20ft

Tolerance :  +/-5%

Drum 180KG 8-9KG 190 110 19.800   MT 20.900 MT


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