ASTM International - ASTM C1350M-96(2008)

Standard Test Method for Measurement of Viscosity of Glass Between Softening Point and Annealing Range (Approximately 108 Pa·s to Approximately 10 13 Pa·s) by Beam Bending (Metric)

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Organization: ASTM International
Publication Date: 1 April 2008
Status: historical
Page Count: 4
ICS Code (Glass in general): 81.040.01
significance And Use:

This test method is well suited for measuring the viscosity of glasses in ranges higher than those covered by parallel plate (see Test Method C 1351) and rotational viscometry (see Practice C 965)... View More

scope:

1.1 This test method covers the determination of glass viscosity from approximately 108 Pa·s to approximately 10 13 Pa·s by measuring the rate of viscous bending of a simply loaded glass beam. Due to the thermal history of the glass, the viscosity may not represent conditions of thermal equilibrium at the high end of the measured viscosity range. Measurements carried out over extended periods of time at any temperature or thermal preconditioning will minimize these effects by allowing the glass to approach equilibrium structural conditions. Conversely, the method also may be used in experimental programs that focus on nonequilibrium conditions.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

October 1, 2013
Standard Test Method for Measurement of Viscosity of Glass Between Softening Point and Annealing Range (Approximately 108 Pa·s to Approximately 1013 Pa·s) by Beam Bending (Metric)
1.1 This test method covers the determination of glass viscosity from approximately 108 Pa·s to approximately 10 13 Pa·s by measuring the rate of viscous bending of a simply loaded glass beam.2 Due...
ASTM C1350M-96(2008)
April 1, 2008
Standard Test Method for Measurement of Viscosity of Glass Between Softening Point and Annealing Range (Approximately 108 Pa·s to Approximately 10 13 Pa·s) by Beam Bending (Metric)
1.1 This test method covers the determination of glass viscosity from approximately 108 Pa·s to approximately 10 13 Pa·s by measuring the rate of viscous bending of a simply loaded glass beam. Due to...
April 10, 2003
Standard Test Method for Measurement of Viscosity of Glass Between Softening Point and Annealing Range (Approximately 108 Pa·s to Approximately 10 13 Pa·s) by Beam Bending (Metric)
1.1 This test method covers the determination of glass viscosity from approximately 108 Pa·s to approximately 10 13 Pa·s by measuring the rate of viscous bending of a simply loaded glass beam². Due...
October 10, 1996
Standard Test Method for Measurement of Viscosity of Glass Between Softening Point and Annealing Range (Approximately 108 Pa - s to Approximately 1013 Pa - s) by Beam Bending (Metric)
1.1 This test method covers the determination of glass viscosity from approximately 108 Pa s to approximately 1013 Pa s by measuring the rate of viscous bending of a simply loaded glass beam. Due to...
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