Ask a research-administration question
Answers are drawn from CASRAI and the rest of the CASRAI corpus, with a link to every source.
Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this
CASRAI is the reference for research administration — bookmark it for the next question.

USA Lab
Buna-N Tri Clamp Gasket - 1.5" to 12"
in Gaskets
$0.99 - $20.00
In stockPrice varies by Size.
USA-made Buna-N Tri-Clamp gasket in sizes from 1.5 in to 12 in, chosen for closed loop systems for its resistance to butane and propane.
Choose Size to continue.
Buying through procurement?
Generate a formal quotation for 1 × this item, plus our W-9 — everything your finance department needs to raise a purchase order.
Choose Size to continue.
Description
Our USA Made Buna-N triclamp 1.5 inch to 12 inch gasket is one of the best gaskets for closed loop systems due to it’s excellent resistance to butane and propane. Buna is rated for lower temperatures than Viton, as well as better physical properties.
Minimum Temp for continuous use: -40°F
Frequently asked questions
What sizes are available?+
1.5 in, 2 in, 3 in, 4 in, 6 in, 8 in, 10 in and 12 in.
Why Buna-N for closed loop work?+
USA Lab specify its resistance to butane and propane.
Related products

Buna-n Gasket with 2500 Mesh (5 Micron) - Various Sizes
Buna-N (nitrile) Tri-Clamp gasket with a 2500 mesh (5 micron) screen bonded in, for closed loop systems handling butane and propane.

Buna-n Gasket with 150 Mesh (100 Micron) - Various Sizes
Buna-N Tri-Clamp gasket with a 150 mesh (100 micron) screen bonded in, chosen for closed loop systems for its resistance to butane and propane.









