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Cepure (se·pure), Pawling's latest product line, brings real innovation to the Analytical Laboratory market. New material options, improved designs, and unique processing methods are used to improve product quality and process efficiency in the lab.

A wide array of gas chromatography septa designs are readily available. Depending on the analysis, standard organic-based septa, such as Butyl or Natural Rubber, may be used; or Silicone septa may be required if the vial needs to be re-sealed or temperatures above 100°C are realized. GC septa consist of a rubber layer and either one or two fluoropolymer (PTFE, FEP, ETFE) layers which act as the main barrier. Because samples used in GC work can be volatile at room temperatures, it is important to choose the right GC septa for your application. Choosing the wrong septa could lead to compromised test results.

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