日本得樂TECLOCK橡膠硬度計(jì)GS-750GASTM(AMERICANSOCIETYFORTESTINGANDMATERIALS)washistoricallyoldandvarioustypesofdurometerareruled.ISOappliesdurometeroftypeAandTypeDamongthisstandardandtheyareruledinJISstandard.TECLOCKprovidesallofthisASTMdurometerfortheusageofhardtypematerialtoultrasofttypematerialinourlineup.PleaseselectaccordingtousageinadditiontotypeAandTypeD.