Take thickness measurements at three points within the gauge length using a calibrated micrometer. Use the median value to calculate the cross-sectional area.
An accurate device to measure the elongation of the rubber during the test. 3. Test Procedure (Summary)
A (often called a Universal Testing Machine) is required. Must have a constant rate of traverse. Equipped with accurate load cells and extensometers. jis k 6251 pdf
The primary objective of the testing sequence detailed in the document is to accurately map how elastomeric materials react under linear, force-induced stress. Key Technical Parameters Measured
Testing must happen at specific temperatures and humidity levels. Take thickness measurements at three points within the
Tensile testing is the cornerstone of rubber quality control and material development. In Japan and across global supply chains that interface with Japanese manufacturing, is the definitive standard governing this process.
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While the 2017 revision aligned closely with ISO 37, there are still minor differences in dumbbell dimensions and test speeds. It is important to define in your test report whether you are strictly adhering to JIS K 6251 or ISO 37. Conclusion
Maximum load, elongation at break, and load at specific extensions are recorded. JIS K 6251: 2010 vs. 2017 Updates
The standard outlines the procedure for using a tensile testing machine to measure key properties, including:
The most secure way to obtain the standard is through authorized standards bodies to ensure you are using the latest version. JIS K 6251:2023 Intertek Inform: JIS K 6251:2017/2023 Scribd: JIS K 6251 (2017)