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Quality Control Laboratory

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Depending on each product and in accordance with the requirements of CE, made ​​on a monthly basis by the laboratory quality control:

Sieve analysis (EN 933-1)

  • Tests for geometrical properties of aggregates.
  • Determination of particle size charts.
  • Method with sieves.

Check Sand equivalent (EN 933-8)

  • Tests for geometrical properties of aggregates.
  • Assessment of fines (filler).
  • Sand equivalent test.

Methylene blue (EN 933-9)

  • Tests for determining the geometric characteristics of the aggregates.
  • Qualitative assessment of fines.
  • Methylene blue test.
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