The La-Pha-Pack Screw Caps are 8 mm closures crafted from durable white polypropylene (PP), designed with a central hole to accommodate septa. These caps come equipped with a white silicone/PTFE red septum for excellent chemical resistance and secure sealing, ideal for sensitive laboratory and analytical applications. Delivered in a pack of 1000, they are compatible with standard autosampler vials.
Key Features:
Ideal for chromatography, sample preparation, and storage requiring high-quality sealing components.
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