WHAT IS THE GRADING REQUIREMENT OF SAND FOR USE IN .
· The sand which is used in mortar can be natural sand, or crushed stone sand or crushed gravel sand. Sand or fine aggregate which is used in concrete is somewhat different from sand which is used for masonry mortar. The role of sand in mortar is to give the following properties such as. Strength; Workability ; Water retentivity; Volume change; Grading Limit of .