This standard specifies a method for testing the firmness of jewelry inlays using the push-pull force method. This standard applies to precious metal inlaid jewelry made by prong setting, bezel setting, nail setting, forced setting and other unsealed setting methods.
QB/T 5103-2017 Referenced Document
QB/T 5102-2017 Technical requirements for setting jewelry of precious metal.Fastness
QB/T 5103-2017 history
2017QB/T 5103-2017 Test methods for fastness of setting jewelry.Thrust and tension method