Amorim HC80 Cork / Nitrile (Buna-N) Sheet


A premium grade blend of Cork and Nitrile Rubber (also known as Buna-N)


  • Recommended in automotive, fuel pump, and meter applications
  • Excellent compressibility with the resilience of rubber
  • Cuts very easily and cleanly
  • Versatile – handles a multitude of applications
  • Impact Resistant
  • Creates good seal on surfaces with imperfections and distortions
  • Solvent Resistant
  • Noise – Vibration Insulation
  • Resilient to environmental temperature changes
  • Better load transfer
  • Naturally sustainable material
  • Less extrusion
  • Good oil resistance

Compatible With:

  • Water
  • Oils
  • Fuels
  • Greases
  • General Solvents


M612 Cork Nitrile (Buna N) Sheeting comes in bulk rolls in these widths and thicknesses:

1/32” X 42”3/32” X 42”
1/16” X 42”3/16” X 42”
1/8” X 42”1/4” X 42”

We cut these rolls into the desired sheet sizes, pads, strips, or gaskets.

Note: Other types of cork, thicknesses and sheet sizes may be available by special


Specific Gravity.832-1.088
Compressibility (400 psi), (%)10/25/19
Recovery, (%) min75min.
Density (lbs/cubic ft)52-68
Durometer Shore A (pts)65-86
Tensile Strength (psi)(min)250

Material according to AMS-C-6183-TYPE II, CLASS 1, GRADE B