... vulcanized rubber, soft rubber, leather, wax, etc. LX Shaw hardness tester ManualType A: applicable to general rubber, synthetic rubber, vulcanized ... soft rubber, leather, wax, etc.Type C: applicable to the hardness test of rubber microporous material.Type D: applicable to hard rubber ... applicable to the testing of low and medium hardness, and high-hardness materials.Type C applies to the testing of ...