Description: Style C41NBR closed cell Nitrile sponge is suitable for indoor and outdoor gasketing applications that require a service temperature of -40°F to 250°F. Closed cell Nitrile sponge offers excellent oil resistance and also has excellent UV resistance. C41NBR closed cell Nitrile sponge passes the flammability specification of FMVSS-302. C41NBR closed cell Nitrile sponge meets the physical property requirements of ASTM D 1056-67 SBE41.
Style C41NBR closed cell Nitrile, also known as closed cell Buna-N, is a soft density material, which is also available in a medium density (C42NBR) and a firm density (C43NBR). Style C41NBR can be supplied in rolls ranging from, as narrow at 1/4" wide, to a maximum width of 48". Atlantic Gasket has the ability to supply C41NBR with or without pressure sensitive adhesive. Style C41NBR Nitrile closed cell sponge can be die-cut or waterjet cut to your exact requirements.
|NITRILE BUTADIENE (NBR)|
|ASTM D 1056-67||SBE41|
|ASTM D 1056-07||2B1|
|ASTM D 1056 Suffix’s||F1, M|
|Physical Property||Test Method||Unit of Measure||Result|
|Compression Deflection @25%||ASTM D 1056||psi
|3.5 +/- 1.5
24.1 +/- 10.3
|DENSITY||ASTM D 1056||pcf
|WATER ABSORPTION||ASTM D 1056||% (MAX)||5|
|TENSILE STRENGTH (MIN)||ASTM D 412
|ELONGATION (MIN)||ASTM D 412
|SERVICE TEMPERATURE RANGE||N/A||°F
|-40°F to 250°C
-40°F to 121°C
|CD CHANGE AFTER OVEN AGING||ASTM D 1056||%||+/- 30|
This information is furnished as a guide for selecting materials. Atlantic Gasket Corp. disclaims liability for results or use of this information. It is the customer’s responsibility to obtain and test samples when determining suitability of material for a particular application.
Click here to download a specification Word document.