Physical Testing

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Hardness is measured when a force is applied to the sample using an indentor and under specific conditions.

Specific Gravity

Used to identify specific rubber polymers that are present in a rubber product.

Tear Resistance

This test method is used to evaluate the tear strength of common vulcanized rubbers and thermoplastic elastomers.

Compression Relaxation

These test methods are useful in comparing stiffness of rubber materials in compression.

Compression Set

This test is designed to determine the ability of rubber compounds to withstand compressive stresses and their agility after compression.


These test methods cover direct-current procedures for the measurement of dc insulation resistance, volume resistance, and surface resistance.


This test method covers the determination of the wear resistance of fabrics coated with rubber or plastics to abrasion.

Fluid Aging

This standard is used to evaluate how vulcanized rubber products, or other products coated with vulcanized rubber, respond to the exposure of liquids (i.e. oils, greases, fuels, etc.) for a continuous or intermittent period of time during use.

Heat Aging

The accelerated aging test method evaluates the changes in physical properties of vulcanized rubber when exposed to elevated temperatures.

Accelerated Ozone Aging

The significance of this test method lies in the ability to differentiate between the degrees of ozone resistance under the limited and specified conditions of the accelerated test.

Flexible Cellular Materials

This specification covers flexible cellular rubber products known as sponge rubber and expanded rubber.


These test methods describe the procedures for determining the physical properties of O-rings and changes in these properties due to aging.

Rebound Testing

This test method measures the percentage resilience of a rubber compound.


This test method is used to determine the vulcanization characteristics of (vulcanizable) rubber compounds.

Mooney Viscosity (MV)

The test methods in this standard measures Mooney Viscosity, the shearing torque resisting rotation of a cylindrical metal disk (or rotor) embedded in rubber within a cylindrical cavity.


This test method determines the vulcanization characteristics of rubber compounds, using an oscillating disk cure meter.


This test method is used to measure viscoelastic properties of raw rubber as well as un-vulcanized rubber compounds.

Sample Conditioning

This practice covers a list of standard temperatures from which selection may be made for any specific test or test method.

Smoke & Flame

This test method is designed to differentiate the flame propagation characteristics of dense or cellular elastomeric compounds used in gaskets, setting blocks, shims, or spacers.


The test method detailed in this standard evaluates the tensile properties of thermoplastic elastomers and vulcanized thermoset rubbers.


The TR-10 (Temperature Retraction) tests samples at specific low temperatures for a determined period at a set elongation (Example 100%).

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