PTC Instruments Durometer

DurometerSponge Rubber DurometerModels feature a heat-treated, high carbon steel mainspring that is calibrated to meet or exceed ASTM Specification D2240-81Special cam permits a scale deflection of 100 points when the indenter is displaced exactly 0.100 inchThreaded mounting knob at the top of each durometer permits permanent test stand emplacementResettable ancillary pointer will register the peak durometer reading against all vibrations met in normal useFoam and sponge rubber durometer measures the hardness of soft materials such as foam rubber, sponge rubber, jells and doughsClassifies cellular rubbers of the sponge and foam type as "x-soft", "soft", "medium" and "firm" and then divides these ranges into smaller increments