Autosampler Vials Cap,9mm Blue Polypropylene Screw-Thread Caps with PTFE Red/Silicone White Septa by Biomed Scientific
- Size: 22.5*46mm, the vial mouth outer diameter is 20mm,20 mm crimp seal finish are designed to fit most headspace autosamplers.
- Material: Manufactured from clear Type I borosilicate glass, of which can withstand high internal pressure, the vials have a wall thickness of 1.1mm.
- Beveled Finish Vial : Reduced the amount of sealing surface between the crimp seal and the glass surface,Also A bevelled top Headspace Neck might be required for some special closure systems (PerkinElmer).
- Flat Bottom Vial: when vials have to run within the instrument on a slightly downwards tendency and preferred for manual headspace autosamplers,Flat bottom maximizes heating efficiency..