Screw thread caps feature a 13-425 thread finish and are available in an assortment of styles to match your HPLC, GC or IC application needs.

• Polypropylene caps are chemically inert and suitable for most chromatography applications
• Phenolic resin caps perform well at high temperatures and are compatible with exposure to corrosives
• Caps are bonded septa resist dislodging during injection when using large diameter blunt needles

Convenient pre-assembled caps and septa minimize contamination from handling.