The La-Pha-Pack Screw Caps are 8 mm closures made of durable black polypropylene (PP), designed with a central hole to accommodate various septa. These caps include a 1.3 mm thick septum made of silicone blue transparent on one side and PTFE white on the other, offering superior chemical resistance and resealability. Delivered in a pack unit (PU) of 1000, they are suitable for high-throughput laboratory applications in chromatography and sample preparation.
Key Features:
Ideal for precision sealing in chromatography, sample storage, and analytical procedures.
Just add items to your shopping cart and select “Instant Quote”