Serving Scientists Since 1994

13mm Red PTFE/Silicone Septum

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Septum 13mm 1.9mm Red PTFE/Silicone.Use with 13mm Open Top Caps.

13mm Screw Caps


Red PTFE/Silicone 1.9mm septum for use with 13-425 screw thread caps.

  • Excellent resealing capabilities – highly recommended for multiple injections and sample storage
  • autoclavable and excellent resistance to coring
  • PTFE chemical resistance until pierced then the septa will have the compatibility of silicone
  • Temperature range -40°C to 200°C

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