Aerosol valve stem pulling-off strength testing is very important to aerosol valve quality. Aerosol valve has inner stem and outer stem. Labthink PARAM XLW(PC)Auto Tensile Tester can test the aerosol valve stem pulling-off force. Put the stem in between the upper and lower clamps, and pre-set the tensile speed at 50mm/min. Then, choose tensile resistance [...]