Testing Laboratory GRADUS is accredited by the Czech Accreditation Institute under number L-1603.
The laboratory is accredited to conduct corrosion and adhesion tests by the Czech Accreditation Institute, o.p.s. (CAI), signatory to the EA MLA. Laboratory was accredited for the first time in 2011 and defends her every year.
Laboratory has expanded its accreditation to dozens various test metods. Based on accreditation, the laboratory is capable of updating standards identifying test procedures and providing expert opinions and interpreting test results.