Sealing rings for jointed glassware PTFE, NS 34, pack of 50
$83.60
An effective alternative to common PTFE joint sleeves and PTFE stoppers.
-Air leakage <10-8 to 10-6 mBar l/s (vacuum and pressure).
-Solvent leakage from containers < 0.1 to 0.03mg/day.
-Temperature range: -196 to 300°C
