variety of septa to determine the best one for analysis. What's the difference between crimp cap and screw cap? Crimp-cap vials tend to be best for GC and 

992 products 2ml HPLC GC Vials Screw-Cap with PTFE Silicone Septa 8-425 9- ... Crimp Open Top Cap, Blue &Silver, with 20mm natural PTFE/white silicone septa.

Wide size of Septum ptfe silicone used in HPLC/GC/HEADSPACE/TOC Natural PTFE/White Silicone Septa 3mm Thick(used for 20mm aluminum crimp cap). C0000438.

PTFE Natural Rubber are moderately priced seals for GC and HPLC with good chemical Septa for GL Caps, Silicone and Silicone/PTFE, Ace Glass Incorporated.

ST2511 BND .040" Thick, Natural PTFE/ White easy pierce silicone - Ultra Low Bleed for GC/MS & LC/MS Bonded into a 9mm Blue Ribbed Screw Cap. Bags of 100.

17.5mm Natural PTFE/White Silicone Septa 3mm thick. C0001165. 17.5mm Natural PTFE/Blue Transparent Silicone 1.5mm thick Septa (Ultra Clean) 100pcs/pk.

Chemical compatibility of septa materials is of a general nature, Both types of silicone and butyl rubber septa have a PTFE barrier layer which faces ...

Bottle, Natural PTFE-faced silicone, Loose Septa, for 24-414 Open-top Caps, Aijiren Tech® · 0.125 inch thick or 0.060 inch thin PTFE-lined silicone septum, 

Natural PTFE/ White Silicone, easy pierce, Ultra Low Bleed, for GC/MS & LC/MS, inserted into a 9mm Black Ribbed. Screw Cap. Septa Only. 2504-0346-C.

Cap, Crimp, Open Top Gold Magnetic, 20mm (10mm hole) with 20mm Natural PTFE/White Silicone Septa 3mm Thick. 100pcs/pk. 41311012, Vial, Screw Top Headspace, 20mL 

Septa only, 0.01” PTFE/0.09” Silicone. Septa 10/90 PTFE/silicone for sample screw thread caps natural colour 0.25mm PTFE, 0.125mm silicone fits cap 24-400 

Items 1 - 50 of 202 Septa, ND13, 12 mm diameter, natural rubber red-orange/TEF transp ... SureSTART 20 mm Septa, Level 2, white Silicone/beige PTFE, 3 mm.

Closure Color, Natural. Septa Configuration, PTFE / Silicone, Pre-Cut. Snap Cap Size, 11 mm. Approved For LC/GC, LC Only. Quantity, 100.

Ready assembled or bonded closures with septa of high analytical purity are offered in Septa N 22, Silicone/PTFE, natural/colorless, 3.2 mm, 45° shore A.

Aluminum Crimp Seal with Natural PTFE/Blue Silicone Septa(UltraClean) GC Headspace vial 10ml/20ml and closures for the analysis. Aijiren ...