Proficiency Testing № PTS 24/07-Т-1

Dear colleagues,

It is our pleasure to invite you to take part in proficiency testing № 24/07-T-1 by means of an interlaboratory comparison. The proficiency testing will include the laboratory activity “testing”.

The subject of testing will be product “Filler” under standard methods and parameters, pointed 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 September 30, 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

Filler

Testing

Code of the standаrd Parameter

*EN 933-1

Particle size distrubution /#2 mm, #1 mm, #0.500 mm, #0.250 mm, #0.125 mm, 0.063 mm/ (three determinations

*EN 933-9, Annex А

Methylene blue value (three determinations)

*EN 933-10

Particle size distribution of filler /#2 mm, #0.125 mm, 0.063 mm/ (three determinations)

*БДС EN 1097-5

Water content (three determinations)

*EN 1097-7

Particle density of filler (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 at PTS Bulgaria Ltd.

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