20 mm Standard Crimp-Top Cap Assembly, White PTFE/White Silicone Septa, Silver Open Top Aluminum Cap, Central Hole 9.5 mm, 10B004 (CAT#: STEM-L-0135-ZJF)

With a diameter of 22.5 mm, this is the most versatile gas chromatography sampling vial. The crimp top design ensures superior sealing. Some vials feature a rounded bottom, providing the functionality of flat-bottom placement while maintaining excellent compatibility with automated sampling equipment.

Description: White PTFE/White Silicone Septa, Silver Open Top Aluminum Cap, Central Hole 9.5 mm
Packaging: 100/PK

Precisely Processed Bottle Neck: Facilitates mechanical gripping.
Unique Screw Design: Ensures tight sealing of sample bottles.
High-Quality Borosilicate Glass Material
Excellent Resilience of the Sealing Pad
Softer Sealing Pad: Provides better protection for needles.

20 mm Crimp-Top Headspace Vial, 20 mL Transparent, Flat Bottom, with Label, 22.5*75.5 mm, 10B018
20 mm Crimp-Top Headspace Vial, 20 mL Transparent, Round Bottom, with Label, 22.5*75.5 mm, 10B019
20 mm Safety Crimp-Top Cap Assembly, White PTFE/White Silicone Septa, Silver Open Top Safety Aluminum Cap, Central Hole 9.5 mm, 10B021
20 mm Magnetic Crimp-Top Cap Assembly, White PTFE/White Silicone Septa, Silver Magnetic Open Top Aluminum Cap, Central Hole 8 mm, 10B022