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HNBR Rubber vs. PBT

HNBR rubber belongs to the thermoset elastomers (rubber) classification, while PBT belongs to the thermoplastics. There are 5 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is HNBR rubber and the bottom bar is PBT.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.3 to 1.5
Elongation at Break, % 300
2.5 to 43
Strength to Weight: Axial, points 4.1
12 to 25
Strength to Weight: Bending, points 12
25 to 38
Tensile Strength: Ultimate (UTS), MPa 19
58 to 140