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Injection
port septa used in gas chromatographic analyses should exhibit low bleed, resist
leaks, and be easy to penetrate. For years, Thermogreen® LB-2 septa have been
considered by many as the benchmark GC septa for these parameters due to several
performance advantages over other commercially available septa. A new generation
septum, molded Thermogreen LB-2, continues the Supelco tradition of setting
the benchmark in high performance.
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The strict tolerances resulting from the constant dimensions of the mold itself
result in septa that are easier to install and consistently fit better. Using
a rubber formulation exclusive to Supelco, molded Thermogreen LB-2 septa exhibit
an ultra low bleed profile, are very resistant to both slivering and coring,
and have a high puncture tolerance when used in autosampler applications.
Trademarks
Thermogreen - Sigma-Aldrich Biotechnology LP
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