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Sorbothane Polyurethane Damping Material, 50 Durometer

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane, Elastomer, Unreinforced , Rubber or Thermoset Elastomer (TSE)
Manufacturer Sorbothane
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sorbothane Polyurethane Damping Material, 50 Durometer.pdf
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Material Notes:
Sorbothane® is a thermoset, polyether-based polyurethane viscoelastic material that combines high energy absorption with faultless memory. Sorbothane turns mechanical energy into heat. As the material is deformed, the friction created at the molecular level is generated into heat. High hysteresis is then formed. The energy is moved perpendicularly away from its original plane and is pushed close to 90° out of phase from its original disturbing force.Sorbothane is used in shock/vibration mounts, stud mounts, and grommets/bushings in diverse fields such as electronics/audio equipment, noise abatement, insoles, protective sports gear, and anti-vibration gloves and wraps.Information provided by Sorbothane Inc
Physical Properties Metric English Comments
Density 1.30 g/cc
0.0470 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 0.860 MPa
125 psi
500 mm/min; ASTM D412 80
Tensile Strength, Yield 0.190 MPa

@Strain 100 %
27.6 psi

@Strain 100 %
ASTM D412 80
Elongation at Break 500 %
500 %
500 mm/min; ASTM D412 80
Compressive Yield Strength 0.610 MPa
88.5 psi
50% strain; ASTM D575 Method A
Resilience 13.2
13.2
Lupke rebound test
Coefficient of Friction 2.6
2.6
on polished steel; ASTM D1894
Coefficient of Friction, Static 10.4
10.4
on polished steel; ASTM D1894
Tear Strength Test 23.5
23.5
psi per ASTM 624 with 1 mm nick
Compression Set 6.2 %
6.2 %
72 hr/73°F/25% compression - ASTM 395
Thermal Properties Metric English Comments
CTE, linear 132 µm/m-°C

@Temperature -50.0 - 100 °C
73.3 µin/in-°F

@Temperature -58.0 - 212 °F
Thermal Conductivity 0.380 W/m-K
2.64 BTU-in/hr-ft²-°F
estimated from other durometer grades
Maximum Service Temperature, Air <= 82.0 °C
<= 180 °F
Optimum performance range
Minimum Service Temperature, Air >= -29.0 °C
>= -20.2 °F
optimum performance range
Glass Transition Temp, Tg -43.0 °C
-45.4 °F
Flammability, UL94 V-2
V-2
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