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BUNA-N EXTRUSIONS

AN ENGINEERING GUIDE TO ELASTOMER SELECTION

WC-113 BUNA-N

  • Common Name: Buna N, Nitrile, NBR, Hycar
  • ASTM D-2000 Classification: BF, BG, BK
  • Military ( MIL-STD 417): SB
  • Chemical Definition: Butadiene Acrylonitrile

Buna-N is general purpose oil resistant polymer which has good solvent, oil, water and hydraulic fluid resistance, good compression set, abrasion resistance and tensile strength. Buna-N should not be used in highly polar solvents such as acetone, and MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons

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GENERAL CHARACTERISTICS

  • Durometer (Shore A): 20-95
  • Tensile Range (P.S.I.): 200-3000
  • Elongation Range (Max. %): 600
  • Compression Set: Good
  • Resilience - Rebound: Good
  • Abrasion Resistance: Excellent
  • Tear Resistance: Good
  • Solvent Resistance: Poor to Excellent
  • Oil Resistance: Good to Excellent
  • Low Temperature Usage (F°): +30° to -40°
  • High Temperature Usage (F°): to 250°
  • Aging Weather - Sunlight: Poor
  • Adhesion to Metals: Good to Excellent

 

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| About West Coast Gasket | Capabilities | Technical Information | Literature Download | Client Upload | Glossary | Contact |
| Gaskets | Extrusions | Molding | Lathe Cutting | Precision Water Jet Cutting | Request for Quote | Resource Links |

We're more than a gasket company. We're specializing in the manufacture of all types of industrial gaskets,
molded and extruded products, including lathe cut washers, metal stampings and custom waterjet cut parts.

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