Materials commonly used for vials include glass, polypropylene and TPX. Materials commonly used for caps include polypropylene, low density and high density polyethylene, and urea resin. Materials commonly used for septa include PTFE, silicone, natural red rubber, butyl rubber, Viton, polypropylene and polyethylene.

Mar 31, 2022 · PTFE/silicone septa. PTFE/Silicone is an ideal choice for analyzing volatile organic chemicals. These analyses happen at low concentrations or during operation at higher conditioning temperatures. Store PTFE/Silicone septa in a glass Purepak jar to ensure: 1. minimal background, 2. low permeability, 3. and the best performance of any headspace

A specially moulded seal with a PTFE insert. Sealing surface of Butyl and PTFE affects a more positive seal than non-PTFE-faced septa. Ideal choice for temperatures below 125°C. Good sealing characteristics, excellent resistance to most solvents with reduced coring and high puncture tolerance.

Silicone/PTFE is the most widely used material combination for septa used in vial closures (caps and seals). Verex Cert and Cert+ products are specially prepared from the highest quality raw

100 µL Reacti-Vial Small Reaction Vial, 1.5 mL Screw Cap Septum Vial (1) 13-425 Screw Cap (1) 14 mL Screw Cap Septum Vial, 15 mL (0.5 oz.) Screw Cap Bottle (1)

13mm Septa for use with threaded caps Snap/Crimp Caps are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE. Shop Aijiren Tech 13mm Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter.

Aijiren Tech™. 6PCK576W. 2 mL Short Thread Screw Glass SureStop™ Vial, Level 3. Amber Glass. Screw (AVCS™), Level 3. White Silicone/Blue PTFE; Pre-slit. Pack of 100 for $73.50. Check Availability.

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.

Select Level 3 products for ultimate performance and sensitivity from your methods, while maintaining the highest levels of sample security and integrity. Choose from a variety of kits containing short thread screw vials in glass or TPX and polypropylene caps with silicone/PTFE septa designed to reduce autosampler needle issues.

Septa material: General Chromatography vials 3 Septa material: 20 mm headspace septa 4 Temperature stability chart 4 Seal properties 5 Seal selection (for headspace and sample preparation (20 mm) applications) 6 Septa hardness General chromatography vials (in 8 mm, 9 mm, 11 mm, 12 mm caps) 7 Headspace and storage applications

Certified Kits, screw thread vials, 12 x 32 mm, 9 mm thread, unassembled, pkg of 100, volume 2 mL, clear glass vial (with graduated marking spot), PTFE/silicone septum (with slit), (septa bonded to cap)

Aijiren Techbrand™ 11 mm Glass Wide Opening Crimp Top Vial Convenience Kits. Save time and reduce the risk of contamination by using Aijiren Techbrand™'s vial convenience kits. Each kit includes 100 clear or amber glass vials and 100 crimp caps with pre-assembled septa. Height (Metric) 32 mm. Volume (Metric) Total. 2 mL.

PTFE/silicone/PTFE – TST1, TST11. A layer of PTFE on each side of medium hardness silicone. Most resistant to coring with above average resealing characteristics. Recommended for most demanding applications such as trace analysis, longer time between injections, or for internal standards.