Trautman Art Glass (TAG)
TAG COE 33 and COE 104 colors are some of the most reactive colors available. Click on the color's picture to see instructions and examples of the wide range of colors possible. The instructions explain how to get incredible metallics, and wondrous striking and reducing color variations.

TAG 33 colors - Borosilicate (Hard glass)
COE: 33
Recommended Annealing Point: 1050ºF (565º C)
Annealing range: 1000 - 1100ºF (535 - 595º C)
Strain Point: 840º F (450º C)
Softening Point: 1200º F (650º C)
Working Temperature: 1700º F (925º C)

TAG 104 colors - Soda Lime (Soft glass)
Coefficient of Expansion (COE): 104
Annealing range: 945 - 975º F (507 - 524º C)
Strain Point: 840º F (450º C)
Softening point: 1100º F (595º C)
Working Temperature: 1400º  (760º C)