Specialized sands for sand casting (like Petrobond) are available from craft and jewelry supply stores. Teton-bond Petrobond Fine 130 Mesh
: Similar to Alibaba, offering various grades of iron sand for heat insulation or water treatment, with prices starting around $13–$16 per square meter for specialized mats or $200+ per ton for filtration media.
: High-performance clay-based foundry sand produced in the USA. Available at eBay - vastovariety for approximately for bulk bags. PMC Supplies : Offers Sand Casting Sets
Iron sand is frequently used in weighted vests and sandbags because it is denser than silica sand.
: An oil-free casting sand for high-detail jewelry, priced around on eBay . Fitness & Weighted Fill
: Specific types of black iron sand are sold as substrate for plants or fish. You can find these on Amazon or at local aquarium specialty shops.
: Use the Thomasnet Supplier Discovery Tool to find U.S.-based manufacturers and distributors of industrial sands and iron ore reps like Black Eagle Sourcing, LLC . Foundry & Metal Casting