Jis K 6251 Pdf Best Free →
In the rubber and thermoplastic elastomer industries, standardized testing is crucial to ensure material quality, consistency, and safety. One of the most frequently referenced standards in Japan and internationally is , which outlines the methodology for determining the tensile stress-strain properties of vulcanized or thermoplastic rubber.
: The percentage increase in length at the moment of rupture.
: A "free PDF" is always an unofficial copy. You are taking a risk regarding the authenticity and completeness of the document. Most critically, it will not be the current standard and should never be used for official compliance or product certification. jis k 6251 pdf free
To execute a test compliant with JIS K 6251, laboratories utilize a equipped with specialized software and fixtures. Apparatus Requirements
These are among the most commonly used shapes for standard quality control testing. : A "free PDF" is always an unofficial copy
| Feature | JIS K 6251 | ISO 37 | ASTM D412 | |---------|------------|--------|-----------| | | Japan | International | USA | | Test speeds | 500 mm/min (standard) | 500 mm/min (preferred) | 500 mm/min (Die C) | | Specimen types | Dumbbells (3 types) + rings | Dumbbells (3 types) + rings | Die A, B, C, D, rings | | Gauge length | 25 mm (Type 1,2) | 25 mm (Type 2) | 25 mm (Die C) | | Acceptance in Japan | Mandatory | Often accepted if agreed | Rarely accepted | | Technical difference | Slight variations in specimen dimensions | Virtually identical | Wide tolerances on width |
These are often used for smaller, thinner, or specialized rubber samples. To execute a test compliant with JIS K
The standard defines specific geometries for test pieces, typically dumbbell-shaped (Types 1 through 7) or ring-shaped specimens. The shape chosen depends heavily on the thickness and type of rubber material.
Prices vary, but you can expect to pay around for a PDF version. For example, the official price for JIS K 6251:2017 PDF is around £50.51 (excluding VAT).
Typical procedures mentioned in technical literature using JIS K 6251 include: Jis K 6251 | PDF - Scribd