Not available outside of the UK & Ireland.

General description

Vial septa are available in a variety of materials. Septa (diameter × thickness × PTFE thickness 20 mm × 125 mil × 0.005 in. for use with 20mm crimp seal, 22 mm cap) are selected based on the chemical properties of the sample and the temperature to which the vial will be subjected during the analysis. PTFE/Silicone is for use with most organic solvents. PTFE/Silicone is not for use with chlorosilanes. It has good resealability and can withstand a temperature of 250°C.