LLG Screw Caps N 13 Black PP Closed with Hole PTFE Red/Silicone White/PTFE Red 1.0 mm 45° Shore A Pack of 100

The LLG Screw Caps N 13 are engineered for reliable sealing of vials in demanding lab environments. These black polypropylene (PP) caps feature a center hole and a triple-layer septum composed of PTFE red/silicone white/PTFE red, offering superior chemical resistance and resealability. With a hardness of 45° Shore A and a thickness of 1.0 mm, the septum is ideal for applications involving repeated piercings. Supplied in a pack of 100, these caps are compatible with N 13 threaded vials and common autosamplers.

Key Features:

• Brand: LLG
• Material: Black polypropylene (PP)
• Design: Closed screw cap with center hole
• Septum: PTFE red/Silicone white/PTFE red
• Septum Hardness: 45° Shore A
• Septum Thickness: 1.0 mm
• Thread Type: N 13
• Packaging: Pack of 100

LLG N 13 screw caps provide dependable sealing, chemical resistance, and repeatable performance, making them a perfect fit for chromatography and sample storage.