NKSSC-22-G 24 mm White PP Screw Cap With 15 mm Centre Hole And Silicone/PTFE Septa (CAT#: STEM-AL-0022-ZJF)

This product is a 24 mm screw closure for compatible storage vials. It is configured as a white polypropylene cap with a 15 mm centre hole. The closure includes white silicone and beige PTFE septa for sample sealing and access. The open-top design allows the septa to be pierced during analytical procedures. The 24-414 thread format supports use with a range of storage vials. The septa provide a sealing interface while allowing controlled access by needle. The closure is suitable for workflows requiring sample protection and repeatable septum access. This model is applicable to TOC-related testing and purge and trap techniques.

Closure Type: Screw closure
Thread Format: 24-414
Cap Size: 24 mm
Cap Material: Polypropylene (PP)
Cap Color: White
Top Design: Open top with 15 mm centre hole
Septa Material: White silicone/beige PTFE
Septa Thickness: 3.0 mm
Septa Hardness: 45 Shore A
Application Method: TOC (EPA)
Technique: Purge and trap

Open-top structure for septa access
Polypropylene cap construction
Silicone/PTFE septa configuration
Compatible with 24-414 storage vials
Supports needle penetration
Medium resealability after puncture
Helps maintain sample containment
Suitable for analytical sample handling