Product Description

Thin, lightweight and easy to cut, 90 COE Wasser is an ideal glass for beginners and experts alike. Wonderful for fusing, bead work, and even foil applications. 12" x 12" sheets.

Product Details

• General Specifications:
• Measured "90" Coefficient of Expansion (COE) = 89.7 x 10-1/Co
• Glass Thickness: 1.6mm (0.063"); Range: 1.5 mm - 1.8 mm (0.059" - 0.07"
• Glass Weight, nominal: 0.4 gm/cm2 (14 oz/ft2)
• Sheet Size: Standard glass sheet measure 12 x 12 inches.
• Firing Temperatures:
• (~+5ºF and are dependent upon glass color and thickness
• Softening Point:1240ºF (677ºC)
• Tack Fuse: 1240ºF (696ºC)Orton std. lg. cone 18 (r/r 108ºF)
• Full Fuse: 1340ºF (727ºC)Orton std. lg. cone 17 (r/r 108ºF
• Annealing Temperature: 940ºF (482ºC)
• Shrinkage Initiation Point:1360ºF (738ºC)
• Balling Formation Starts: 1450ºF (788ºC)
• Glass Lost / Shelf Intrusion: 1550ºF (843ºC)
• Note:
• Suggested heating rate: 400 degrees/hr
• Recommended minimum soak time at full fuse temperature: 30 minutes
• Recommended minimum soak time at annealing temperature: 30 minutes
• After annealing: suggested cooling rate is 10º/min to 800º(472º), 15º/min to 700º(371ºC)and
• 20º/min. to room temperature.