The LLG Screw Caps 15 mm are designed for secure vial sealing in chromatography and sample handling applications. Made from durable black polypropylene (PP), these caps feature a central hole for septa penetration and a high-quality silicone white/PTFE red sealing liner with a thickness of 1.3 mm. The PTFE layer provides excellent chemical resistance, while the silicone ensures a tight, resealable fit. Supplied in a pack of 100, these caps are ideal for use with standard threaded vials.
Key Features:
LLG Screw Caps with silicone/PTFE liners offer reliable sealing, chemical resistance, and resealability—making them perfect for analytical and lab workflows.
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