The laboratory tests of the aggregates produced by our quarry are appropriate for the purpose they will be used in construction and always comply with the corresponding European standard. More specifically, the European standards that are applied in our laboratory for carrying out the checks are:

1. Laboratory sample reduction method (ΕΝ 933.2)
2. Determination of particle size chart – Method with sieves (EN 933.1)
3. Determination of grain shape with the plate index (ΕΝ 933.3)
4. Evaluation of fine fraction with the Sand Equivalent test (EN 933.8)
5. Qualitative fraction evaluation with the Methylene Blue test (EN 933.9) The rest of the tests required by the European standards are performed in external laboratories accredited by the E.SY.D