This alkaline glass is made by Fusion Ceramics. It is a very close substitute for Vibrantz frit 3110 formerly made by Ferro. F-75 is a clear frit having unique properties exploited in several glaze types including crackle (high expansion), zinc crystalline (low alumina) and copper turquoise (high alkali).

First fusion: 1550ºF / 843ºC      cte: 9.3 x 10-6.

For more information on frit F-75, see the Digitalfire.com Reference Library of ceramic materials.