Permobond® RS-2277 Nitrile Rubber is a proprietary Nitrile/Natural rubber blend(MOR – Moderate Oil Resistance). The is a polar-type lining used where there may be exposure to aliphatic hydrocarbons in a service condition. With the blend of Natural Rubber has excellent physical properties, such as tensile strength, abrasion resistance, and elongation. RS-2277 is flexible and will expand and contract with thermal variations of the metal substrate. Comes with a bonding layer for added adhesion. FDA compliant as per 21CFR177.2600.