8-425 Black Flangeless Hole Cap With PTFE/Silicone/PTFE 0.040" Septa, Case of 1,000, Qorpak (CAT#: STEM-L-3855-LGZ)

Polypropylene screw caps for chromatography bottles are provided with various septa already inserted. PTFE/Silicone/PTFE Septa is suitable for multiple injections.

Style: Flangeless Hole Cap with PTFE/Silicone/PTFE Septa
Color: Black
Material: Polypropylene
Qty: 1,000
Neck Finish: 8-425
Packaging: Bulk
Manufacturer Part Number: Finneran - 804060L-08

These septa are PTFE resistant until punctured, then the septa will be silicone compatible with PTFE/silicone septa, resist core, and provide great resealability.
Caps with PTFE/red rubber septa are an economical option, PTFE facing facing provides a good barrier from product contact.

CAP-00563 20mm 0.060" Natural PTFE/Silicone Septa, Case of 100, Qorpak (CAT#-STEM-L-3837-LGZ)
CAP-05188 22mm 0.060" Natural PTFE PTFE/Silicone Septa, Case of 500, Qorpak (CAT#-STEM-L-3838-LGZ)
CAP-05188-EA 22mm 0.060" Natural PTFE/Silicone Septa, Each, Qorpak (CAT#-STEM-L-3839-LGZ)
CAP-00564 24mm 0.125" Natural PTFE/Silicone Septa, Case of 8,000, Qorpak (CAT#-STEM-L-3840-LGZ)
CAP-00515 24mm 0.125" Natural PTFE/Silicone Septa, Packed In Bags of 100, Case of 100, Qorpak (CAT#-STEM-L-3841-LGZ)
VS11279-112 8mm Red PTFE/Silicone, 0.045" Septa, Case of 1,000, Qorpak (CAT#-STEM-L-3842-LGZ)