As a wholesale supplier to jewelers and other industry professionals, Rio Grande wants to avoid presenting wholesale pricing to retail consumers. In addition, the U.S. Patriot Act requires all suppliers of precious metals to maintain full contact information for all of its customers.
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See current pricing on all products based on published daily metal markets.
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Create and update a 'wish' list of products you have selected but are not yet ready to purchase.
Manage and update your account information, including contact and payment information, at your convenience.
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Create Barrier Flux with Boric Acid and Alcohol
In this video, learn how to make your own barrier flux using boric acid and denatured alcohol.
Last edited: 4/21/2020
In this video from Rio Grande, Mark Nelson shows you how to mix boric acid and alcohol (use methyl or denatured) to create a barrier flux that help prevents firescale when soldering sterling silver.