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ASTM D696

Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics

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Organization: ASTM
Publication Date: 4 May 1979
Status: inactive
Page Count: 6
ICS Code (Plastics in general): 83.080.01
scope:

This method covers determination of the coefficient of linear thermal expansion for plastics by use of a vitreous silica dilatometer. At the test temperatures and under the stresses imposed, the plastic materials shall have a negligible creep or elastic strain rate or both, insofar as these properties would significantly affect the accuracy of the measurements.

NOTE 1-See also Method E 228.

The thermal expansion of a plastic is composed of a reversible component on which are superimposed changes in length due to changes in moisture content, curing, loss of plasticizer or solvents, release of stresses, phase changes and other factors. This method of test is intended for determining the coefficient of linear thermal expansion under the exclusion of these factors as far as possible. In general, it will not be possible to exclude the effect of these factors completely. For this reason, the method can be expected to give only an approximation to the true thermal expansion.

NOTE 2 - The values stated in SI units are to be regarded as the standard.

Document History

April 1, 2016
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between −30°C and 30°C with a Vitreous Silica Dilatometer
This test method covers determination of the coefficient of linear thermal expansion for plastic materials having coefficients of expansion greater than 1 μm ⁄(m.°C) by use of a vitreous silica...
November 1, 2008
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between −30°C and 30°C with a Vitreous Silica Dilatometer
This test method covers determination of the coefficient of linear thermal expansion for plastic materials having coefficients of expansion greater than 1 × 10−6/°C by use of a vitreous silica...
November 1, 2008
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between −30 Degrees C and 30 Degrees C with a Vitreous Silica Dilatometer
This test method covers determination of the coefficient of linear thermal expansion for plastic materials having coefficients of expansion greater than 1 X 10−6/°C by use of a vitreous silica...
April 10, 2003
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between -30°C and 30°C with a Vitreous Silica Dilatometer
This test method covers determination of the coefficient of linear thermal expansion for plastic materials having coefficients of expansion greater than 1 × 10−6 1°C by use of a vitreous silica...
February 10, 1998
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics between -30 Degrees C and 30 Degrees C with Vitreous Silica Dilatometer
1. Scope* 1.1 This test method covers determination of the coefficient of linear thermal expansion for plastic materials having coefficients of expansion greater than 1 × 10−6 1°C by use of a...
March 15, 1991
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics between -30 Degrees C and 30 Degrees C
A description is not available for this item.
May 4, 1979
STANDARD TEST METHOD FOR COEFFICIENT OF LINEAR THERMAL EXPANSION OF PLASTICS (R 1988) (E1-1988)
A description is not available for this item.
ASTM D696
May 4, 1979
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics
This method covers determination of the coefficient of linear thermal expansion for plastics by use of a vitreous silica dilatometer. At the test temperatures and under the stresses imposed, the...
February 27, 1970
Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics
This method covers determination of the coefficient of linear thermal expansion for plastics by use of a vitreous silica dilatometer. At the test temperatures and under the stresses imposed, the...
January 1, 1944
Standard Method of Test for Coefficient of Linear Thermal Expansion of Plastics
Under conditions of industrial applications, the thermal expansion of a plastic is composed of a reversible component on which are superimposed changes in length due to changes in moisture content,...

References

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