Authorized Stocking Distributors of ASTM Certified Sand

We offer immediate availability of ASTM-certified sand in Miami FL (USA) and Medellín (Colombia), perfect for creating concrete test specimens, including cylinders and blocks. Our inventory includes:

U.S. Silica Ottawa Sand
• Certified to meet ASTM C-109 and 20/30 (C778) standards
• Specifically used for compressive strength testing

Whether you need a single bag or high-volume orders, we can ship right away—starting from individual units to full container orders.

Key Benefits:
• 100% ASTM Compliant
• Consistent, Reliable Quality - Standardized results with every batch
• High Purity - Ensuring precise and repeatable test results

Reference	CAS #	Packing size
Silica Ottawa C-109	14808-60-7	50lb (22.68kg)
Silica Ottawa 20/30	14808-60-7	50lb (22.68kg)

For more information or to place an order, please reach out: