If you don't like it, you can change it for another one or return it.
Description
Description: Granulometry of stone; Real and net density and water absorption of gravel; Real and net density and water absorption of sands; Determination of Gaps; Determination of crumbly particles; Determination. Average volumetric coefficient of gravel; and Extraction and preparation of stone samples Method: NCh 164, NCh 165, NCh 1511, NCh 1326, NCh 1327, NCh 1117, NCh 1239