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HC-80 (239)
Cork/nitrile blend with low compressibility and good oil resistance. Use with high bolt pressure. Recommended in automotive, fuel pump and meter applications.
Polymer
NBR/nitrile
Color
Black
Typical Physical Characteristics (Original)
Hardness (Shore Type A)
65 to 86
Density
832 Kg/m3 to 1.088 Kg/m3
Compressibility (400 psi)
10 % to 25 %
Recovery (400 psi)
Min 75 %
Tensile Strength
Min 1.72 M Pa
Flexibility factor (Inicial)
(F=5)
Immersions
Flexibility factor (Oven Aged, 70 h at 100 ºC)
(F=16)
Flexibility factor (ASTM#1, 70 h at 100 ºC)
(F=16)
Volume Change, ASTM Oil #1 (70 h at 100ºC (212ºF))