Dear Colleagues,
It is our pleasure to invite you to take part in proficiency testing № 24/07-T-2 by means of an interlaboratory comparison. The proficiency testing will include the laboratory activity “testing”.
The subject of testing will be product “Asphalt /bituminous/ mixture” under standard methods and parameters, indicated below.
The product and the parameters are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.
The submission period is until October 31, 2024.
⚠️After filling out and submitting the application in word format, the date of application will be considered the date of receipt of the completed application at the e-mail specified in it!
⚠️When applying through the electronic form on the website /electronic application/, the date of receipt of the automatic e-mail with the data filled in by you is considered the date of application.
You may find more details in the Detailed PT plan and the Invitation for participation in section “Documents for participation”.
Subjects of the proficiency testing
Asphalt /bituminous/ mixture
Testing
| Code of the standаrd | Parameter |
|---|---|
*EN 12697-1 |
Soluble binder content (three determinations) |
*EN 12697-2 |
Particle size distribution (three determinations) |
*EN 12697-5, Procedure А (item 9.2) |
Maximum density (three determinations) |
*EN 12697-6, Procedure В (item 9.3) |
Bulk density (three determinations) |
*EN 12697-34 |
Stability (four determinations) |
*EN 12697-34 |
Flow (four determinations) |
*The tests will be carried out according to the last valid versions of the indicated standards!
Note: The product and the parameters are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.
⚠️Important:
Preparation of test samples for determination of “Soluble binder content”, “Particle size distribution” and “Maximum density” shall be performed according to EN 12697-28. Preparation of test samples for determination of “Bulk density”, “Stability” and “Flow” shall be performed according to the procedure of EN 12697-30.