4mL vials are compatible with 13-425 screw thread closures. PTFE/Silicone septa are most popular for HPLC application, and Pre-slit septa are easier to 

Filter by Technique. Circular Dichroism(27); Digital Polarimeter(9); Fluorescence(7); FTIR(5); HPLC(46); SFC(2); UV-Visible/NIR(24) 

Pre-assembled cap and septa, convenient and direct use • Compatible with most of HPLC / GC autosamplers. 2 mL Screw Thread Vials. Screw Cap with Septa for 2 

HPLC and LC-MS tested and certified. • State-of-the-art design and manufacture Certified PLUS (Cert+) 9 mm Screw-Top Vials and Caps with Bonded-In Septa.

We deal all kids of Laboratory Glassware, we are supplier of high quality HPLC vails Crimp Vial Cap with Septa Shell vials Insert with Polymer feet Silicone 

Verex HS Screw Cap, 18mm, Magnetic, slv, PTFE/Silicone septa (red/white), 100/Pk. Verex No Phase. select_all View All Verex Parts.

Hawach pre-assembled septa and cap for screw thread sample vials reduce the possibility of contamination during sample preparation, caps are suitable for 

Prevent septa push through and over- and under-tightening. With AVCS built into these 9 mm screw caps you will get an optimal, consistent seal every time.

PTFE/Silicone septa are the preferred product for use in most HPLC and GC applications where resealability and high purity are critical. Works well for 

1. Available open top screw caps with 9-425 thread. · 2. Caps and septa are pre-assembled to reduce contamination during sample preparation. · 3. Bonded cap and 

Aijiren Tech™ National Vial Septa are designed for use with 4mL screw-thread vials. Pricing & Availability 

Soft-Guard™ 9-425mm screw thread caps with a bonded, silicone rubber (white) & PTFE (red) non-slit septa are compatible with most 9mm, 12x32mm, 2ml screw 

screw caps without septa are recommended instead of phenolic caps. Phenolic is a sulfur-based product that can flake and contaminate samples when syringe 

Important Ordering Information: Caps & septa sold separately. Regular Price $61.63 Price $53.59.

PTFE disk septa are chemically inert · PFTE/red rubber septa are economical for many GC applications · PTFE/silicone septa are most popular for HPLC and IC