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Uroboros glass FRIT. System 90. Sprinkle on your glass projects to create or enhance the colors. Use with molds to create one-of-a-kind jewelry and decorative items. We have FRIT molds here
The F number after the color number (F2 or F3) indicates the grain size of the frit. F2 is fine, similar in size to beach sand. F3 is medium, similar in size to pretzel/rock salt, F4 is coarse. Most colors are transparent, but some are Opal (says it after the color).
For glass projects to be successful, it's imperative that all the pieces used in the project have the same coefficient of expansion (COE). All of the products on this page are COE90.