Jis K 6251 Pdf Guide

It is classified as "MOD" (Modified) compared to ISO 37, meaning it follows the core international methodology but has specific regional variations. Intertek Inform Test Methodology & Equipment Testing is typically performed on a Universal Testing Machine 日本規格協会 JSA GROUP Webdesk Jis K6251 | PDF - Scribd

The standard dictates the specific shape and dimensions of the rubber samples to be tested. This usually involves "dumbbell-shaped" specimens (shaped like a dog bone) to ensure the break occurs in the narrow center section rather than at the grips. It defines different types of test pieces (Type 1, Type 2, etc.) depending on the thickness of the rubber sheet. jis k 6251 pdf

| Parameter | Symbol | Description | |-----------|--------|-------------| | Tensile Strength | Tb | Maximum stress sustained by the test piece during stretching | | Elongation at Break | Eb | Maximum extension at the point of rupture | | Stress at Given Elongation | Modulus | Stress required to achieve a specific elongation (e.g., 100%, 300%) | | Yield Stress | – | Stress at which there is a clear deviation from elasticity | It is classified as "MOD" (Modified) compared to