This standard specifies the technical requirements, inspection methods, inspection rules, marking and packaging of plastic ball indentation hardness testers. This standard applies to plastic ball indentation hardness testers used to measure the ball indentation hardness of materials such as plastics and hard rubber in accordance with GB 3398 "Plastic Ball Indentation Hardness Test Method".
JB/T 7410-1994 history
2010JB/T 7410-2010 Specification for the ball indentation hardness testers of plastics
1994JB/T 7410-1994 Specifications for Plastic Ball Indentation Hardness Tester