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ASTM D412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers - Tension

 

We perform elastomer quality testing by ASTM D412 to measure the tensile properties of vulcanized rubber and thermoplastic elastomers. ASTM D412 is not applicable to hard, low elongation materials. The methods described in ASTM D412 measure several different tensile properties, including tensile stress, tensile stress at a given elongation, tensile strength, yield point, ultimate elongation and tensile set.

Tensile testing begins with test pieces taken from the sample material, called specimens. Specimens may be in the shape of dumbbells, rings, or straight pieces of uniform cross-sectional area. These specimens should be new or at least not pre-stressed before testing begins.

Because elastomer and rubber tensile properties depend both on the material and the conditions of the test (extension rate, temperature, humidity, specimen geometry, pretest conditioning, etc.), materials should be compared only when tested under the same conditions.

Remember that because of the wide range of performance requirements for elastomers and rubbers in actual use, tensile properties alone may not directly relate to the total end use performance of the product.

Temperature and rate of extension can have substantial effects on tensile properties and should be carefully controlled during testing. These effects will vary depending on the type of material being tested.

Contact us to arrange elastomer or rubber testing specific to your product.

Sample quantity required: 3 specimens

For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.