LLG Labware offers high-quality 18mm black polypropylene (PP) screw caps designed for secure sealing in various laboratory applications. Each cap features a pre-cut hole and is fitted with a Butyl red/PTFE grey septum, providing excellent chemical resistance and resealability. The septum has a shore hardness of 55° A and a thickness of 1.6mm, ensuring durability and reliable performance during sample preparation and storage.
Key Features:
These screw caps are ideal for laboratories requiring reliable and chemically resistant sealing solutions for their sample vials.
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