Chromatography Autosampler Vial Caps Only
Trajan Scientific La-Pha-Pack (A Thermo Brand), Cap Screw 18mm 1.5mm White Silicone/Blue PTFE Magnetic, 100 Pack
La-Pha-Pack (A Thermo Brand), Cap Screw 18mm 1.5mm White Silicone/Blue PTFE Magnetic 100 Pack
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. 1000/CS.
Pre-slit for easy penetration by autosampler needles. Recommended for older Waters instruments. Use with 15x45mm, 4ml vials.
Microsolv Technology Corporation Caps, Crimp Top, with 1.0mm thick, Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in aluminum, Silver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. 100/PK.
This septa was designed for specific, older instruments such as Agilent 1050 and to provide extra cleaning when "wiping" a needle. Also provides a small degree of better resealing after injection compared to Silicone Rubber / PTFE Septa.
Microsolv Technology Corporation Caps, Snap Top, with Silicone Rubber / PTFE Septa, fitted in smooth, polyethylene, Red Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
This cap is our original Snap Cap and has been on the market for 30 years.
Microsolv Technology Corporation Caps, Screw Top, with PTFE / Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. 100/PK.
Use with 15x45, 4ml autosampler vials. Used with older Waters and Shimadzu autosamplers. Designed to provide extra cleaning when "wiping" a needle, also provides a small degree of better resealing after injection compared to Silicone Rubber / PTFE Septa.
Microsolv Technology Corporation Caps, Screw Top, with Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in "knurled", polypropylene, Green Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS
This septa was designed for specific, older instruments such as Agilent 1050 and to provide extra cleaning when "wiping" a needle. Also provides a small degree of better resealing after injection compared to Silicone Rubber / PTFE Septa.
Microsolv Technology Corporation Caps, Screw Top, with Orange Red Rubber / PTFE Septa, bonded in "knurled", polypropylene, Red Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Orange-Red Silicone Rubber is more economical White Silicone Rubber and softer than Natural Red Rubber which is better for your autosamplers, minimizing damaging needles and injections systems.
Microsolv Technology Corporation Caps, Snap Top, with White PTFE Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
This PTFE (only) Septa is for single injections or non-volatile samples as it will not reseal.
Microsolv Technology Corporation Caps, Screw Top, with ultra-clean Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Red Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
Silicone Rubber in this Septa is ultra clean and bright White.
Microsolv Technology Corporation Caps, Snap Top, with 1.00mm thick, Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in smooth, soft polyethylene, Natural Translucent Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Soft polyethylene caps are more pliable than other Snap Caps and are easier to place on the vial. Popular choice when using a large number of caps at one time. These caps may not seal as well as other Snap Caps and should be used with sample solvents with low volatility. This septa was designed for specific, older instruments such as Agilent 1050 and to provide extra cleaning when "wiping" a needle. Also provides a small degree of better resealing after injection compared to Silicone Rubber / PTFE Septa.
Microsolv Technology Corporation Caps, Snap Top, with Butyl Rubber / Tefzel Septa, fitted in smooth, soft polyethylene, Natural Transparent Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Soft polyethylene caps are more pliable than other Snap Caps and are easier to place on the vial. Popular choice when using a large number of caps at one time. These caps may not seal as well as other Snap Caps and should be used with sample solvents with low volatility. Butyl Rubber with Tefzel is a lower cost Septa but inert enough for most applications.
Microsolv Technology Corporation Caps, Snap Top, with 1.00mm thick, Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in smooth, soft polyethylene, Natural Translucent Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Soft polyethylene caps are more pliable than other Snap Caps and are easier to place on the vial. Popular choice when using a large number of caps at one time. These caps may not seal as well as other Snap Caps and should be used with sample solvents with low volatility. This septa was designed for specific, older instruments such as Agilent 1050 and to provide extra cleaning when "wiping" a needle. Also provides a small degree of better resealing after injection compared to Silicone Rubber / PTFE Septa.
Microsolv Technology Corporation Caps, Screw Top, with White Silicone Rubber / Red PTFE Septa / Liner, fitted in knurled polypropylene, Black Caps. For use with ND15 thread, storage Vials or Bottles. 1000/CS.
Silicone Rubber / PTFE Septa is 45⁰ Shore A (hardness) and is 1.3mm thick. Use as septa or a liner. Cap has a 9mm center hole. Can be used for use in Non-Critical Analytical Testing and is intended for storage. Use with Vials or Bottles with 15-400mm screw threads.
Chemglass Life Sciences Poly Crimp Seal, 11mm, Clear Cap, 10mil PTFE Septum
Poly Crimp Seal, 11mm, Clear Cap, 10mil PTFE Septum. A crimp cap constructed of plastic that fits virtually any 11mm crimp sample vial. Use a standard crimping tool to securely crimp the Poly Crimp seal onto any crimp top vial. The Poly Crimp seal also permits an airtight seal by hand without crimping. Although the Poly Crimp seal can work with any crimp top vial, the tighter manufacturing tolerances and quality assurance program with the vials supplied by Chemglass certifies better performance when the cap is used with Chemglass supplied vials. Vials Compatible with Poly Crimp Seals: CV-1108-1232: Vial, 2.0mL, Clear, Snap Seal, 12 x 32mm, 11mm Crimp CV-1168-1232 : Vial, Standard Opening Crimp Top, Clear, 2.0mL, 12 x 32mm, 11mm Crimp CV-1185-1232 : Vial, Large Opening Crimp Top, Clear, 2.0mL, 12 x 32mm, 11mm Crimp CV-1200-1232 : Vial, Snap Ring, 2.0mL, Clear, 12 x 32mm, 11mm Crimp
Chemglass Life Sciences Aluminum Seal, Pressure Release, Silver, 20mm, PTFE/Gray Butyl Rubber Septa
Aluminum Seal, Pressure Release, Silver, 20mm, PTFE/Gray Butyl Rubber Septa. Pressure release seals are designed to open when the internal pressure exceeds 3.00.5 bar.