The primary objective of a JIS K 6251 test is to quantify how a rubber material reacts when pulled to its breaking point. Key metrics derived from this method include:
The choice of dumbbell type depends on the material's expected tensile strength and elongation. 2. Testing Apparatus The testing machine must be equipped with:
When purchasing a copy, always verify the publication year. The standard undergoes periodic reviews (such as major updates in 2010 and subsequent revisions) to adapt to modern testing equipment and harmonized ISO protocols. jis k 6251 pdf
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JIS K 6251 defines several shapes (dumbbell shapes) for test specimens, labeled based on their size and geometry. Common types include: The primary objective of a JIS K 6251
): The tensile strain at the precise moment of rupture, expressed as a percentage of the original length. Tensile Stress at a Given Elongation ( M100cap M sub 100 M300cap M sub 300
Self-tightening grips (pneumatic or roller type) are essential. Standard manual screw grips fail because rubber thins out as it stretches, causing slippage. Testing Apparatus The testing machine must be equipped
Yes, technically identical. Japan adopted ISO 37 as JIS K 6251 without technical changes. Translation differences may exist in the foreword, but the test method is the same.
By following these recommendations, industries can ensure that they are using the Jis K 6251 pdf effectively and efficiently, and that they are complying with Japanese industrial standards.
If you are integrating this standard into your internal test laboratory, follow these steps after downloading the :
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