Jis K 6253-3 -

A common source of confusion is how JIS K 6253-3 compares to ISO 7619-1 and ASTM D2240. While they are often correlated, they are not identical.

JIS K 6253-3 categorizes durometers into three main types based on the hardness of the material being tested: Intended Material Range/Usage Medium-hardness rubber jis k 6253-3