Septa Caps | McMaster-Carr

	For Mouth OD For Mouth OD

	Lid Color Lid Color

	Black
	White

	Barrier Thickness Barrier Thickness

	Barrier Type Barrier Type

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

15 Products

These lids have a soft barrier that can be pierced with a needle to draw out samples without removing the lid. They are often used in chromatography.

Press fit barriers stay firmly in place with friction but can be removed and reversed.

Bonded barriers are held in place with an adhesive.

For technical drawings and 3-D models, click on a part number.

Lids

	Barrier			Lid
For Mouth OD	Thick.	Material	Color	Type	Material	Color	Autoclavable	Max. Temp., °F	Pkg. Qty.		Pkg.
Press Fit Barrier
1/2"	0.060"	Silicone Rubber/PTFE Plastic	White	Threaded	Polypropylene Plastic	Black	Yes	212°	24	0000000	000000
15/16"	0.125"	Silicone Rubber/PTFE Plastic	White	Threaded	Polypropylene Plastic	White	Yes	212°	24	0000000	00000
Bonded Barrier
1/2"	0.060"	Silicone Rubber/PTFE Plastic	White	Threaded	Polypropylene Plastic	Black	Yes	212°	24	0000000	00000

Vials