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.
Please be aware that we vigilantly protect your account information—it will never be shared or sold to any third party for any reason, ever.
The benefits of having a dedicated account with us include:
See current pricing on all products based on published daily metal markets.
Access and print your order history and invoices any time you need them.
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.
Reliable firescale retardant and flux agent in one, Cupronil® is safe on all non-ferrous metals. Effective from 1,100°–1,500°F (593°–816°C); contains copper, potassium, sodium borate and boric acid. Bottle holds 4 ozs. and is refillable.
Country of origin : United States
Cupronil liquid is available in a refillable spray bottle for easy application. Bottle holds 4 ozs. and is refillable.
Catalog page:2020-2021 Tools and Equipment Catalog p.553