功能

• 4 GL-14 screw holes are added to the GL-45 standard screw hole cap to make the screw hole cap modular. Screw jars can be d in solvent (liquid and gas) containers and waste liquid containers for automatic analysis such as HPLC, GC and titration. It can also be d in conventional screw hole bottles, so it can be d in various combinations depending on the application.