Screw Cap Vials are universal. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the cap. Screw caps form an excellent seal and mechanically hold the septum in place during piercing. No tools are required for assembly.
1. Septa and slit septa are available. 2. Normal Available cap color is Black, other special colors can be also produced. 3. Pre-assembled caps and septa are convenient and minimize contamination from handling. 4. Phenolic caps can be autoclaved.
