ASTM D695 Test

ASTM Tests

ASTM D695 Test

ASTM D695 Standard Test Method for Compressive Properties of Rigid Plastics is applied to determine the compressive strength and properties of hard plastic materials used in various engineering applications.

ASTM D695 Test

ASTM D695 test is a test method used to determine the compression properties of unreinforced and reinforced plastics. Used with the tensile test standard equivalent ASTM D638. Together, ASTM D695 and ASTM D638 evaluate the basic material properties of polymers found in every industry and even every home around the world. It is important to review the entire standard to fully understand the test setup, procedure, and outcome requirements.

The ASTM D695 test method covers the determination of the mechanical properties of non-reinforced and reinforced rigid plastics, including high modulus composites, when loaded at relatively low compression. Sample preparation is critical and all machining operations must be done carefully to ensure smooth surfaces. The machining of the ends is particularly important to ensure they are smooth, straight and parallel with sharp and clean edges. A compaction tool should be used to ensure evenness and parallelism of the loading surfaces, as the results of the test may be compromised by a slight eccentricity of the loading. 

The test is done by placing a small sample of plastic (typically a 0,5 x 0,5 x 1 inch prism or a 0,5 inch diameter and 1 inch long cylinder) between two hardened blocks and gently squeezing it to the end. break. The results of this test include compressive strength, compressive yield strength, offset yield strength and modulus of elasticity.

This method provides information on the compression properties of plastics when used under conditions similar to those for which samples were tested. Compressive properties include modulus of elasticity, yield stress, deformation beyond the yield point, and compressive strength (as long as the material is simply flattened and not fractured).

EUROLAB, together with its state-of-the-art accredited laboratories and expert team, helps you get precise and fast results within the scope of ASTM D695 test.

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