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SBR Rubber vs. CPVC

SBR rubber belongs to the thermoset elastomers (rubber) classification, while CPVC belongs to the thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SBR rubber and the bottom bar is CPVC.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 530
4.0
Tensile Strength: Ultimate (UTS), MPa 14
50

Thermal Properties

Glass Transition Temperature, °C -30
100
Maximum Temperature: Mechanical, °C 100
80
Specific Heat Capacity, J/kg-K 1880
780
Thermal Conductivity, W/m-K 0.17
0.31

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.5
Limiting Oxygen Index (LOI), % 18
57

Common Calculations

Strength to Weight: Axial, points 3.4
9.4
Strength to Weight: Bending, points 11
20
Thermal Diffusivity, mm2/s 0.082
0.27