SYMPOSIA PAPER Published: 01 January 1982
STP28509S

Testing: Thermal Expansion of Reinforced and Nonreinforced Urethane Materials

Source

This paper reports factors that influence the determination of the coefficient of thermal expansion of reinforced and nonreinforced urethane materials.

The factors investigated were repeated test cycling of the specimen, additional post-curing, and preconditioning the specimens at various relative humidity levels. In addition, the results of an interlaboratory round robin program are presented to show the expected precision of the test method when the above factors are controlled.

Author Information

Heckla, WE
Mobay Chemical Corporation, Pittsburgh, Pa.
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Details
Developed by Committee: D11
Pages: 56–68
DOI: 10.1520/STP28509S
ISBN-EB: 978-0-8031-4850-5
ISBN-13: 978-0-8031-0779-3