Red Opal Frit (124)

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Contains sulfur and reacts to copper glasses. May react to silver. Red is a striking glass. Striking glasses are those which, when in their cold state, do not display their target color. They must be fired and held at 1225 degrees for a period of time before reaching that target color. This style can opalize and/or become incompatible when held at high temperatures for an extended period. REACTION CHART Reaction Chart: Download PDF Show more