ASTM C965-23

ASTM C965-23

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1.1 This practice covers the determination of the viscosity of glass above the softening point through the use of a platinum alloy spindle immersed in a crucible of molten glass. Spindle torque, developed by differential angular velocity between crucible and spindle, is measured and used to calculate viscosity. Generally, data are taken as a function of temperature to describe the viscosity curve for the glass, usually in the range from 1 to 106 Pa·s.

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Published:
05/01/2023
Number of Pages:
4
File Size:
1 file , 340 KB
Redline File Size:
2 files , 490 KB
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