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Our casting sand collection features industry favorites like Petrobond and Assay Silica Flour/Sand, trusted by jewelers and metalsmiths for their consistency and reliability. Petrobond provides excellent mold strength and smooth finishes, while assay silica flour and sand are ideal for fine detail work and high-temperature resistance in jewelry casting and refining.

 

Perfect for use with gold, silver, copper, brass, and other metals, these sands deliver clean, precise results in every pour. Whether you’re creating intricate molds, performing assay work, or refining casting techniques, our high-quality casting sands are essential supplies for both professionals and hobbyists.