PT Provider PTS Bulgaria invites you to take part in proficiency testing № 25/01-T-2 by means of an interlaboratory comparison. The proficiency testing will include the laboratory activity “testing”.
The subject of testing will be product Bitumen under standard methods and parameters, indicated in the table 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 May 30, 2025.
⚠️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”.
Subject of the proficiency testing
Bitumen
Testing
| Code of the standаrd | Parameter | Number of participations |
|---|---|---|
*EN 1426 |
Penetration (three determinations) |
|
*EN 1427 |
Softening point (two determinations) |
|
*EN 12607-1 |
Percentage of change in mass (three determinations) |
|
*EN 12607-1, EN 1426 |
Percentage of retained penetration at 25 ℃ (three determinations) |
|
*EN 12607-1, EN 1427 |
Change in ring and ball softening point (three determinations) |
|
*EN 15326+A1 |
Density (three determinations) |
|
*EN 12592 |
Solubility (three 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.
⚠️Important: The preparation of the samples shall be performed according to the last valid version of EN 12594.