Silicone rubber septa. High quality, silicone rubber laminated to PTFE. Use when excellent resealing qualities are a must. Septum resists coring and is recommended when multiple injections are required. Preferred septa for use in liquid chromatography applications.
Table 1. Septa chemical compatibility. Solvent PTFE PTFE/Silicone PTFE/Silicone/PTFE* PTFE/Red rubber Fluoroelastomer PTFE/Butyl Acetonitrile Hydrocarbons (hexane, heptane, methane) Methanol Benzene THF Toluene DMF DMSO Ether Chlorinated solvents (methylene chloride) Alcohols (ethanol) Acetic acid Acetone Phenol Cyclohexane
PTFE/silicone septa: (T/S) PTFE/Silicone is the most versatile septum material offered in various formulations to address specific applications requirements. Extractables from PTFE/Silicone septa are generally at lower levels compared to other resealable materials. PTFE/Silicone septa are
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
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Autosampler vial septa, 13 mm for use with 13-425 threaded caps or 13 mm snap/crimp caps.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
Molded Septa are manufactured from high quality, low bleed material that uses the same exclusive LB-2 rubber formulation chromatographers are accustomed to using. Design. Solid Disc. Type. Septa. For Use With (Equipment) Low Bleed GC-MS Columns. Temperature (Metric) Max. 350°C.
Red PTFE/White Silicone /Red PTFE Septa, 8-425 Black Screw PP Cap, 5.5mm Centre Hole 100 SC81181 Pre-slit White PTFE/Red Silicone Septa, 8-425 Black Screw PP Cap, 5.5mm Centre Hole 100 SC8182 White PTFE/Red Silicone Septa, 8-425 Black Screw PP Cap, Colsed-top 100 SC8183 White PTFE/Red Silicone Septa, 8-425 White Screw PP Cap, 5.5mm Centre Hole 100
Caps & Septa for 15-425 Sample Vials: LBSV010CRS: Nature PTFE/Nature silicone septa + Black screw cap with hole, for 5ml/8ml/12ml 15-425 screw top vial: 100pcs: LBSV010CSS: Nature PTFE/Nature silicone septa + Black screw cap without hole, for 8ml/12ml 15-425 screw top vial: 100pcs: Caps & Septa for 24-400 Vials: LBSV040CSS
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
The PerkinElmer 11 mm Snap Top Clear Plastic Cap with PTFE/Silicone (white/red) Septa (100/pack) are made in a wide variety of sizes and materials ensuring you have the right combination for your sample type and analysis temperature.
Jun 10, 2020 · Caps and seals are manufactured from high purity polypropylene with silicone/PTFE septa. Each vial measures 3.75" (95mm) tall, and has an outer diameter of 1.1" (28mm). Pack of 100. Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.
Headspace Silicone Convenience Kit contains everything you need to run Gas Chromatography. Each product is manufactured using strict quality control standards resulting in consistent cap dimensions with septa which may be certified for higher purity grades.
Sample Vial Caps&Septa. Red PTFE/White silicone septa + Aluminium cap with hole, for 2ml crimp top vial. 100 (pcs) $16.00. + -. LBSV140CSS. Sample Vial Caps&Septa. Nature PTFE/Nature silicone septa + Black screw cap with hole, for 20ml/30ml/40ml/60ml 24-400 screw top vial.
Bottle Caps. Bottle caps provide an air-tight seal that ensures that a bottle’s contents are leak- and spill-proof, resistant to temperature and that the bottle can be moved. The most ubiquitous style is the threaded screw cap. Caps are available in different sizes and colors and can be specialized for the type of container they sit upon.
