Definition Of Aluminium Bottle Caps

Aluminum caps are sealed by stamping or die-casting to process aluminum into a specific shape, which is used to seal the bottle mouth and ensure the tightness, leakage prevention and quality requirements of the contents. Its structure typically includes:
Lid body (aluminum stamped or die-cast);
Gaskets (silicone, PVC or PE linings);
Additional features (e.g. immobilizers, pull rings, threads, etc.).