... apparatus has three models of Type A, Type C and Type D, and each model is subdivided ... and medium hardness, and high-hardness materials.Type C applies to the testing of microporous material which ... vulcanized rubber, soft rubber, leather, wax, etc. Type C: applicable to the hardness test of rubber microporous material.Type ... 100HA10~90 HA2.5mmΦ0.79 mmLX-C-20~100HC10~90HCSR 2.5 mmLX-D-20~100HD20~90 HDSR ...