When searching for a free PDF version of JIS K 6251, be cautious of websites that:
One of the most important things to understand about JIS K 6251 is its relationship with international standards. Historically, JIS standards were unique to Japan. However, in recent years, there has been a significant push for global harmonization. jis k 6251 pdf free
Here is a final checklist to help you decide which path is right for you: When searching for a free PDF version of
| Feature | | ISO 37 | ASTM D412 | | :--- | :--- | :--- | :--- | | Governing Body | Japanese Industrial Standards (JIS) | International Organization for Standardization (ISO) | ASTM International (formerly American Society for Testing and Materials) | | Primary Use | Tensile testing of vulcanized & thermoplastic rubbers | Tensile testing of vulcanized & thermoplastic rubbers | Tensile testing of rubber and thermoplastic elastomers | | Relationship to JIS K 6251 | N/A | Almost identical. JIS K 6251 is largely based on and technically aligned with ISO 37. | Similar, but not identical. There are differences in specimen shapes (Dies) and some testing speeds. | | Specimen Shapes | Dumbbell (Types 1, 2, 3, 4) and Ring shapes | Dumbbell (Types 1, 2, 3, 4) and Ring shapes | Die C, Die D, etc. | | Typical Test Speed | 500 mm/min (for dumbbell) | 500 mm/min (for dumbbell) | 500 mm/min (for Die C) | Here is a final checklist to help you
You can buy the authorized, up-to-date PDF directly from official distributors like the Japanese Standards Association (JSA) or the ANSI Webstore .