Adhesive Cartridge Caps and Plugs: Verify Closure Fit and Transport Sealing

Choose adhesive cartridge caps and plugs as a matched closure assembly, then verify the filled package under its intended handling conditions. A cap that screws on is not necessarily sealing the outlet. A plug that fits an empty cartridge has not yet demonstrated compatibility with the formulation or resistance to transport exposure. Start with the […]
Dispensing Valve Types: Time-Pressure, Auger, Piston and Jet

Haijing Engineering TeamPublished November 2, 2026 Before comparing valve types, ask whether the device meters the material or only opens and closes it. Time-pressure, auger, piston and jet meter: each decides how much leaves, by a different mechanism. Diaphragm, needle, pinch, spool and poppet switch — they start and stop a flow whose volume something […]