Standard Test Method for Annealing Point and Strain Point of Glass by Fiber Elongation
German title
Bestimmung des Glühpunktes und der unteren Entspannungstemperatur von Glas durch Messung der Faserdehnung
Publication date
1971
reapproved: 2020
Original language
English
Pages
5
Publication date
1971
reapproved: 2020
Original language
English
Pages
5
DOI
https://dx.doi.org/10.1520/C0336-71R20
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Short description
1.1 This test method covers the determination of the annealing point and the strain point of a glass by measuring the viscous elongation rate of a fiber of the glass under prescribed condition. 1.2 The annealing and strain points shall be obtained by following the specified procedure after calibration of the apparatus using fibers of standard glasses having known annealing and strain points, such as those specified and certified by the National Institute of Standards and Technology (NIST) (see Appendix X1). 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.