Silicone sealing ring for thread GL 45 outer diameter 42 mm, for piercing (Septa), 100 pc/PAK

DURAN® GL 45 Silicone Septum Seal, peroxide cured silicone, VMQ Suitable for PBT open topped screw cap with central aperture Heat resistance: 130 °C (steam) and 200 °C (dry heat). Silicon is peroxide catalysed. Features and Benefits: Compatible with open topped GL screw caps with central aperture Compatible with GL bottles Peroxide catalysed silicone Application: Liquid transfer from HPLC solvent bottles, Aseptic reagent delivery or culture sampling using a syringe and needle, Reservoir cap for supplying laboratory instruments