Aggregate and Natural stone


Upcoming deadlines for applications: 20thSEPTEMBER, 2019:

  • Round 14.1/CONS/19 – Aggregate - Assessment of fines - Methylene blue test
  • Round 15.1/CONS/19 – Aggregate - Particle density of filler - Pyknometer method
  • Round 16.1/CONS/19 – Natural stone - Determination of uniaxial compressive strength
  • Round 17.1/CONS/19 – Natural stone - Determination of apparent density

Programm is realised in accordance with the requirements of the PN-EN ISO/IEC 17043:2011and ISO 13528:2015standards.

Click on the links below to see Provider’s documents:

Application form for participation in Proficiency Testing program CONSTRUCTION

Summary description of the program CONSTRUCTION for 2019

Schedule program CONSTRUCTION