NKSSC-13-H-C 13 mm Black Closed-Top PP Screw Cap With 1.5 mm Natural PTFE/Silicone Septa (CAT#: STEM-AL-0106-ZJF)

This product is a 13 mm black polypropylene screw cap for laboratory sample storage. It is designed as a closed-top screw closure for compatible 13-425 vial formats. The cap includes natural PTFE/natural silicone septa with 1.5 mm thickness. The closed-top design supports secure sealing during long-term storage. The polypropylene cap construction provides a lightweight and chemically resistant closure body. The PTFE/silicone septa help maintain sample containment inside the vial. The cap is suitable for storage vial workflows used with common chromatography autosampler platforms. This model is intended for sample storage applications requiring a black closed-top cap with natural PTFE/silicone septa.

Closure Type: Closed-top screw closure
Nominal Diameter: N 13
Cap Size: 13 mm
Cap Color: Black
Cap Material: Polypropylene (PP)
Septa Material: Natural PTFE/natural silicone
Septa Thickness: 1.5 mm
Autosampler Compatibility: Agilent, CTC, Dionex, Knauer, PerkinElmer HPLC, Shimadzu, Thermo Scientific, Varian, VWR, and Waters
Recommended Application: Sample storage

Closed-top design for storage
Polypropylene cap construction
Natural PTFE/silicone septa configuration
Supports secure vial sealing
Suitable for long-term sample storage
Compatible with 13-425 vial workflows
Supports sample containment
Suitable for chromatography sample storage