Thermo C4020-3A 20mm钳口开口瓶盖，1000/包

• Type 1 borosilicate glass
• Clear glass vials with 20mm crimp seal finish are designed to fit most headspace autosamplers
• Flat bottom vials maximize heating efficiency when used with bottom
• Round bottom vials are more easily handled by robotic arms that lift the vial from the tray
• Round bottom vials distribute the internal pressure created at high temperatures across the glass surface
• Beveled edge finish features a sturdy rim that presses into the septum for a more effective seal

Compatibility

• Flat bottom vials feature a longer neck for fit with Carlo Erba™ and Agilent™ units
• Round bottom vials are designed for Perkin Elmer™, Tekmar™ and Varian™ units