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Wasser Purple
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 Specifications
Specifications
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: 1285ºF (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:
- 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.
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