Sample handling. 2-012. 20mm headspace crimp top vials and closures. • Superior quality 1st hydrolytic class glass (Type 1) in clear and amber,. CHROMATOGRAPHY VIALS & CLOSURES – Thermo Fisher – Yumpu. Vial kit 2mL glass vial & blue cap red rubber/PTFE septa, assembled THC11090356 Vial crimp top 2mL clear glass, no markings 100.