20mm Aluminum Cap
The 20mm Crimp Cap is often used with Headspace Vial. It is tightly sealed and suitable for long-term storage of samples. The cap with center hole can be cut by septa, which is convenient for automatic sampling needle sampling.
The 20mm Aluminum Cap is made of high-quality aluminum, which is soft and deformable. With the Hand Crimper provided by Aijiren, it can provide a tight seal to Headspace Vial.