13-425 Closed-Top PP Caps with Septa, Red, Green and Black, 100pcs/pk

13-425 closed-top PP screw caps with 1 mm septa, supplied in packs of 100. Red and green caps contain white PTFE/red silicone septa. Black caps contain red PTFE/white silicone septa.

Photos show representative white caps from this family. Cap colour and septa construction differ for the selected variants.

Closure design and use

The closed-top cap covers the container opening for sample or reagent storage. Its specified liner or septum forms part of the sealing assembly. Select the correct cap material, thread and lining for the container and sample being handled.

Technical specifications

Choosing the correct closure

Match the full thread designation or crimp/snap size to the container. Check the sealing material and thickness against the sample and sampling method. For ranges with more than one cap or septum construction, the configuration table shows the actual combinations available; details from different variants should not be combined.

What is supplied?

Supplied quantity: 100pcs/pk. Order the required configuration using the product options above.

Availability and lead time

If this product is not currently in stock, it can still be ordered on backorder. The estimated lead time for backordered items is 10–14 working days.