🔬 Elevate Your Lab Game with Unmatched Precision!
The ALWSCI 20 mm Closure Size features a durable aluminum crimp seal with a natural PTFE/white silicone septa, designed for headspace vials. With a temperature resistance range of 60°C to 200°C and a pack of 100, these closures ensure secure and reliable sample storage for any laboratory setting.
N**I
Good for longer term storage
These are good against solvents for longer term use
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