Calculation tool for bitumen mixes to determine Penetration, Ring and Ball Temperature (TRB), density, Pfeiffer index (PI)

Blend calculations

Blend of two bitumen or two Styrelf A and B

You have got two bitumen and you would like to know the characteristics of bitumen obtained after blending ?

Please complete information below

Bitumen A




Bitumen B




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Correction of a bitumen

You would like to harden or soften your bitumen ? Please complete information below.

Original Bitumen




Added Bitumen




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Targeted Bitumen




Calculation of density





Pfeiffer Index (PI) Calculation





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