Plastimeter H-01

The CGM Plastimeter H-01 measures rubber plasticity in order to determine plasticity retention index (PRI) according to ISO 2007, ASTM D3194 and BS 903: Pt A59. The sample has a flat and circular shape with thickness of 3.2 – 3.6 mm. with diameter of 13 mm.

The sample is placed between the testing dies, where temperature is controlled at 100 °C. When the test starts, the lower die will move upwards to the upper die closing the gap, keeping sample thickness at 1 mm., the sample is then preheated for 15 seconds, and the upper testing head will apply weight load with force of 100 N for 15 seconds. After which, the remaining thickness will be read after applying force.

Then PRI (Plasticity Retention Index) can be calculated. The PRI is the ratio of plasticity of sample after heating in the aging oven for 30 minutes at 140 °C against the plasticity of the sample without aging process.