The LLG Labware 20 mm Combination Seal with aluminium cap and butyl/PTFE septa is designed for secure sealing and reliable sample access in laboratory vial applications. The centre hole allows easy penetration for sampling or injection, while the butyl core with PTFE surface ensures strong chemical resistance and minimal interaction with samples.
These combination seals provide a dependable and efficient solution for maintaining sample integrity and preventing contamination.
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