Typical Properties of 70 Durometer Mid-Grade Nitrile
Description: 70 durometer mid-grade nitrile gasket material designed for gasket applications that require a solid rubber material that provides oil and solvent resistance. 70 durometer mid-grade nitrile provides users with a service temperature range of -30°F to +200°F. Also known as Buna-N, 70 durometer mid-grade nitrile is manufactured for applications that do not require the higher percentage of nitrile that our high-grade nitrile offers.
M&P Sealing’s mid-grade nitrile is available in a wide range of durometers, ranging from as soft as 40 Durometer to as hard as 80 Durometer with standard durometers in between. 70 durometer mid-grade nitrile is available in the color black and can be manufactured in a wide range of standard thicknesses, ranging from as thin a 1/32″ to as thick as 1/4″, with custom thicknesses available upon request. 70 durometer mid-grade nitrile has a smooth finish and can be converted into rolls ranging from as narrow as 1/4 wide up to 48″ in width. Custom widths can be manufactured upon request. M&P Sealing has the ability to die-cut or waterjet cut 70 durometer mid-grade nitrile to meet your exact requirements.
| Physical Property | Unit of Measure | Typical Values |
|---|---|---|
| DUROMETER | SHORE A | 70 +/- 5 |
| TENSILE STRENGTH | psi | 1000 (min) |
| ELONGATION | % | 150 (min) |
| LOW-TEMPERATURE | °F °C |
-30°F -34°C |
| HIGH-TEMPERATURE | °F °C |
200°F 93°C |
| COLOR | N/A | BLACK |
| General Characteristics of Nitrile Rubber: | |
|---|---|
| Dielectric Strength | Poor |
| Dilute Acid Resistance | Good |
| Resistance to Oil and Gasoline | Excellent |
| Resistance to Water Absorption | Good |
| Resistance to Oxidation | Good |
| Resistance to Ozone | Fair |
| Resistance to Sunlight Aging | Poor |
| Solvent Resistance – Oxygenated (Ketones, etc.) | Poor |
| Resistance to Heat Aging | Good |
This information is furnished as a guide for selecting materials. M&P Sealing Inc. disclaims liability for results or use of this information. It is the customer’s responsibility to obtain and test samples when determining the suitability of material for a particular application.
