Proficiency Test on Bitumen started

The report forms and letters of instruction can be downloaded here as Word document. To download a document, please click the right mouse button and choose the "save as" option.

Download the report forms for iis14F02 here: report formand the letter of instructions.

Summary of this proficiency test:

On 19 November 2014 the proficiency test on Bitumen started with 35 participants from 21 different countries.

On that date, the samples were dispatched to the laboratories. Enclosed to the samples were the sample receipt form for the participants to return upon receipt and the safety data sheet (SDS).

The samples can be analyzed on: Density at 25C Dynamic Shear Rheometer Dynamic Viscosity at 60C Flash Point, COC Fraass breaking point Kinematic Viscosity at 135C Penetration at 25C Penetration Index RTFOT at 163C Softening Point (Ring&Ball) Solubility in Xylene

The deadline for reporting results is set on 19 December 2014. A laboratory that reports its test results after deadline will definitely not get direct feedback in case any of its results are suspect! So be in good time to get the most out of this proficiency test.

The test results can also be reported via our internet based "results reporting platform". A login and a password can be requested via email to