Pattern Bars Firing Schedule Segments Rate Temperature Hold Segment 1 400° F/ hr 1000° F 10 minutes Segment 2* 400° F/ hr 1250° F 30 minutes Segment 3 400° F/ hr 1600° F 30 minutes Segment 4 As fast as possible 950° F 2 hours** *Optional segment for eliminating air bubbles if using small pieces, scrap or frit...
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