This standard was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
PreviewSpecification of a general method for the determination of the stiffness in torsion at various temperatures, particularly below 0 °C. An observation of torque and angle of deflection is made after an arbitrarily fixed time of load application, using the specified testing apparatus. This procedure is employed at a single temperature or at selected temperature intervals over a range specified for the material to be tested. The stiffness in torsion is expressed as the apparent torsional modulus of elasticity for each temperatur.
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Status: PublishedPublication date: 1985-03
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Edition: 1Number of pages: 4
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- ICS :
- 83.080.01 Plastics in general
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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
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Life cycle
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Previously
WithdrawnISO/R 458:1965
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