For engineers sourcing materials globally, understanding the differences is vital.
Rubber properties often vary depending on the direction of milling or extrusion. The standard requires noting whether the specimen was cut parallel or perpendicular to the grain.
for high-precision testing. Buy JIS K 6251:2017 | Intertek Inform jis k 6251 pdf
The maximum stress a material can withstand while being stretched.
While globally harmonized to a degree, critical differences exist between the major regional rubber testing standards: JIS K 6251 Japan / Asia International / Europe North America Standard Speed 500 mm/min 500 mm/min 500 mm/min Specimen Geometry Types 1 to 6 Dumbbells Types 1 to 4 & Die C Die A to F Dumbbells Thickness Limits Typically 2.0 mm 2.0 mm default 1.5 mm to 3.0 mm for high-precision testing
The maximum stress applied during the test.
Record the initial width and median thickness to calculate the cross-sectional area ( Record the initial width and median thickness to
Accurate data depends entirely on proper specimen preparation. JIS K 6251 outlines two primary types of test pieces: specimens and Ring-shaped specimens.
: Applicable specifically to materials that exhibit a defined yield point. Test Methodology and Apparatus