Irid frit may be used as a design element on sheet glass to create subtle glints of rainbow iridescence
Putty should stiffen up a bit
should be fired with a 2 hour hold at 1225°F during the initial stages of the firing cycle
Constituent Glasses
which only occurs where Egyptian Blue is exposed
BE - 1137 Medium Amber Transparent Sheet class Irid frit may be usedContains Sulfur May React With Copper, Lead, Silver See the Bullseye Reactive Potential charts for more information Cold Characteristics Varies slightly from lighter to darker shade. Working Notes A sulfur glass. May have dark interface reaction with copper bearing (001116, 001408, 001417, 000116, 000144, 000145, 000147) and lead bearing (001311, 001215, 000301, 000305) glasses.