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Natural shingle

This is an even graded granular material used as a pavement base which is basically made from uncrushed particles. The following tests are made to each sample: - Sieved grading. - Liquid limit and softness value. - Los Angeles coefficient. - Sand equivalent and where necessary methyline blue. - Flakiness index (only for artificial shingles). - Crushed particles (only for artificial shingles). - Natural humidity.