Chromatography Autosampler Vial Caps Only
Microsolv Technology Corporation Caps, Screw Top, with Natural Silicone Rubber / White PTFE Septa, bonded in "knurled", polypropylene, Blue Caps. For use with 9-425 thread, 12x32mm autosampler vials. 100/PK.
Natural Silicone Rubber is made without adding color and has the same properties as White Silicone Rubber and is a less expensive bonded Septa and Cap.
Microsolv Technology Corporation Caps, Screw Top, with Orange Red Rubber / PTFE Septa, bonded in "knurled", polypropylene, Green 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, Screw Top, with Orange Red Rubber / PTFE Septa, bonded in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
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, Screw Top, with Beige Silicone Rubber / White PTFE Septa, bonded in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
Caps, Screw Top, with Beige Silicone Rubber / White PTFE Septa, bonded in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
Microsolv Technology Corporation Caps, Snap Top, with Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top 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, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, bonded in "knurled", polypropylene, Red Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
The Septa is bonded to the cap for increased performance of penetration that prevents "septa plunge" and prevents them from falling out or dislodging in the cap during transportation.Very popular and useful for HPLC or GC; save money compared to "Certified" brands.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in "knurled", polypropylene, Yellow Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS
Septa bonded to cap for increased performance of penetration and to prevent "Septa Plunge" into vials during injection. Designed for Waters Alliance & Acquity instruments.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth sided, Robo Style, soft polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Pre-slit for easy penetration by autosampler needles and to prevent "Septa Plunge" into vials.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Partial Pre-Slit (Y Shape) Septa, fitted in "knurled" polypropylene, Blue Caps. For use with 9-425 thread, 12x32mm autosampler vials. Excellent for GC and GCMS. 1000/CS.
Partial slit, only in the rubber leaves PTFE to form an evaporation barrier making this a good choice for volatile samples when an autosampler requires a pre-slit Septa.Y shaped partial slit allows for better "resealing" of rubber after initial injection.
Trajan Scientific Headspace Magnetic Cap Crimp 5mm hole, 20mm Black Butyl, 100 Pack
L-MARK Brand Cap Crimp 20mm 3.0mm Black Butyl Magnetic With 5mm hole100 Pack
Trajan Scientific L-MARK® Brand Headspace Cap Screw 18mm 3.0mm Butyl/PTFE Magnetic, 100 Pack
Cap, Screw, Headspace, Magnetic With septa, Butyl/PTFE - 3.0mm, 100 Pack
Trajan Scientific Cap Blue Screw 9mm Septa PTFE/Silicone/PTFE, 100 Pack
L-MARK Brand Cap Screw Blue 9mm PTFE/Silicone/PTFE QuikCap 100 Pack
Trajan Scientific Septa Only, Crimp Cap, Headspace, 3mm, 100 Pack
Septa Only, Crimp, Headspace, Black Butyl - 3.0mm, 100 Pack
Microsolv Technology Corporation Caps, Screw Top, with Tan Silicone Rubber / White PTFE Septa, bonded in "knurled", polypropylene, Green Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Ultra-pure Septa and is a good choice for LCMS, GCMS & LCMS/MS. this cap is also recommended for Waters Acquity™ autosamplers.