Description: Septa for 8-425 screw thread caps are constructed of PTFE, PTFE/rubber, or PTFE/silicone to suit a variety of HPLC, GC and IC applications.
Prevents rework and wasted productivity with perfect-fit septa. • Saves instrument downtime. Cap (pre-assembled), 9 mm, w/ Bonded-in PTFE/.
Unlimited options in selecting the best septum for your instrument and a chromatography vial that can keep up is essential. ... VWR (Merck)/Hitachi.
A layer of 0.003" thick PTFE is laminated to each side of high-purity, medium durometer silicone to form a septum that is resistant to coring, but still.
Feb 15, 2018 VWR. Catalog. Number. Quantity. Type. Hardness. Septum. Thickness. Pk. 548-0794. PP black. 55° shore A. Butyl red/PTFE grey. 1,3 mm.
Protection lid prevents any contamination of the septum in the penetration area Crimp caps N 11 with Viton septa (not coated with PTFE).
silicone key and keep the excellent characteristics of two kinds of materials respectively. Description. Cat No. Pre-slit white PTFE/red Silicone septa.
unintended particles rarely occurs and cannot be prevented. Fact: Evidence demonstrates that when drawing up medication through a rubber vial top or from a
Silicone/PTFE slit. Reduces the possibility of coring. Used to prevent vacuum from forming inside the vial. Maximum temperature 200°C.
Single septa for all 20 mm PE push on caps (70266 + 70267) from MACHEREY-NAGEL Natural rubber / PTFE: temperature resistant: –40 °C / +120 °C, low analytical
Mar 22, 2020 Crimp Vials squeeze the septum between the rim of the glass vial and the crimped aluminum cap. This forms an excellent seal preventing ...
WITH SILICONE / PTFE SEPTA. These septa are temperature-resistant from -60 °C to 200 °C and have better purity than septa made of natural rubber or red.
Manufactured to Corning/PYREX standards and Septa, PTFE faced silicone ... Provided with a PTFE stopcock plug to reduce freezing.
a septum nut invariably will reduce septum lifetime by increasing coring and splitting problems. Septum Bleed. All septa contain various amounts of volatile
from lifting the vial when exiting the septum. Snap Cap with Pre-Cut Teflon/Silicone Septa ... needle (point style #5) to prevent coring.