Teflon septa for research development

Vial crimp seals, BiMetal (magnetic), 20 mm, with PTFE/silicone septa, pkg 100 red seal, PTFE/silicone septa, diam. × thickness 20 mm × 3 mm; find Supelco-29169U MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

Supplier: Thermo Scientific Description: Autosampler vial septa, 13 mm for use with 13-425 threaded caps or 13 mm snap/crimp caps. Septa for 2 ml Screw Top Vials, Aijiren Technologies Supplier: Aijiren TECHNOLOGIES, INC (CSD) Description: Septa, for screw top caps, certified, preslit PTFE/white silicone. Septum size: 9 mm (for 12 mm cap)

Septa, tan PTFE/silicone white tan PTFE/silicone, diam. × total thickness × PTFE thickness 18 mm × 0.060 in. × 5 mil, for use with 22 mL vial, pkg of 100 ea; find Supelco-27177 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

Septa, PTFE/silicone/PTFE red PTFE/silicone/red PTFE, septum diam. × thickness 11 mm × 0.040 in., for use with 4mL vial, pkg of 100 ea; find Supelco-27122U MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

WHEATON® Septa for Open Top Caps, Plain Septa, PTFE / Silicone / PTFE, 24 mm Skip to the beginning of the images gallery See all 14 items in this product family

Septa for open top caps for cap size 18 mm, PTFE/silicone; find Supelco-Z188859 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

Septa. A wide range of serrated and non-serrated septa, and sleeve stoppers are available for use as temporary closures for glassware joints, tubes, bottles, NMR tubes, ampules, and cannulation techniques in air-sensitive chemistry. To protect your valuable contents in the vessels or containers from the atmosphere, our range of septa provide

black polypropylene hole cap, thread for 8-425, PTFE/silicone, Top Hat (septa and closure designed to fit together tightly), for use with 2 mL vial, 4.6 mm opening, pkg of 100 ea. Expand. Hide. 27262. black polypropylene hole cap, thread for 8-425, PTFE/silicone, septum thickness 1.5 mm, for use with 2 mL vial (standard opening), pkg of 100 ea.

Z411752. PTFE-faced silicone septum, 32 mm. View Price and Availability. Sigma-Aldrich. Z411760. PTFE-faced silicone septum, 8 mm. View Price and Availability. STW3. COware PTFE/silicone septa, for all COware gas reactors.

Ideal for use with open-top caps to access container contents with a syringe.Septa are available in a variety of materials and thicknesses. PTFE Natural Rubber are moderately priced seals for GC and HPLC with good chemical properties. They are ideal for multiple injections due to high resealability, but not as easy to penetrate as PTFE/RR. PTFE/High Performance Rubber is a highly pure

Polytetrafluoroethylene ( PTFE) is a synthetic fluoropolymer of tetrafluoroethylene and is a PFAS that has numerous applications. The commonly known brand name of PTFE-based composition is Teflon by Chemours, [3] a spin-off from DuPont, which originally discovered the compound in 1938. [3]

PTFE/silicone septa are always best. What force is required to penetrate the septum? Generally, silicone septa are more easily pierced than red rubber or butyl septa. For thicker, hard-to-pierce septa, a small gauge (23 gauge) needle may be required, or a stronger S-needle can be used. Preslit septa are the best option for

Chiralizer Services, LLC. Nathan has provided a detailed answer already, but my suggestion is to use the HPLC vial seals with Teflon surfaces. Septa are available with two or even three layers of

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The Finneran 9 mm septa in white color, is mainly used with screw thread closures for tight sealing of the stored sample. It is mainly used in research laboratories or in chemical industries. This septa is made of sturdy PTFE material which ensures long lasting usage and durability. Compare this item.