Chemical Structure: Copolymer of butadiene and acrylonitrile.

Density: Typically ranges from 0.90 to 1.20 g/cm³.

Hardness: Shore A 40 to 90.

Tensile Strength: Varies from 14 MPa to 31 MPa depending on the grade.

Elongation at Break: Typically, 200% to 600%.

Tear Strength: Exhibits good tear resistance.

Temperature Range: Generally stable in a temperature range of -30°C to 120°C (-22°F to 248°F).

Thermal Conductivity: Low thermal conductivity.

Excellent Resistance To: Oils, fuels, greases, hydraulic fluids.

Good Resistance To: Moderate resistance to acids and bases.

Limited Resistance To: Ketones, strong acids, and ozone.

Moderate resistance to weathering and UV exposure.

Oil Seals and Gaskets: Buna-N rubber is widely used for its excellent oil resistance.

Automotive Industry: Commonly used in hoses, seals, and gaskets in automotive applications.

Industrial Seals: Suitable for various industrial sealing applications.

Hydraulic and Pneumatic Systems: Buna-N seals are utilized in hydraulic and pneumatic systems.

Fuel Systems: Buna-N is commonly used in components exposed to fuel.