Proficiency Testing № PTS 23/03-2

Dear colleagues,

It is our pleasure to invite you to take part in proficiency testing № PTS 23/03-2.

by means of an interlaboratory comparison, which will include the laboratory activity “testing”.

The subject of testing will be product “Asphalt / bituminous mixture - asphalt specimen” under the standard method and parameter, pointed below.

The product and the parameter are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.

You may find more details in the Detailed proficiency testing plan and the Invitation for participation in section “Documents for participation”.

Subjects of the proficiency testing

Asphalt / bituminous mixture - asphalt specimen


Code of the standаrd Name of the standard Parameter

EN 12697-29, item 5.2

Bituminous mixtures - Test methods - Part 29: Determination of the dimensions of a bituminous specimen


* All tests will be carried out according to the last valid versions of the pointed standards!

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