• Standardizes mortar for tensile strength testing.
• Specially graded to meet industry standards.
• Supplied in 50 lb. (22.6 kg) heavy-duty bags.
Supplied in 50 lb. (22.6 kg) bags, this sand is specially graded to pass a No. 20 sieve and be retained on a No. 30 sieve within the tolerances specified by ASTM and AASHTO standards.