... rubber, soft rubber, leather, wax, etc. LX Shaw hardness tester ManualType A: applicable to general rubber, synthetic rubber, vulcanized ... resin, acrylic, glass, cushiony plastic cement, printing plates, fiber, etc.I. Major performancesShaw rubber hardness gauge is an apparatus to ... of material is made of rubber plastic and has blister in plastic.This hardness gauge conforms to the regulations of ...