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Specialty Compounds RTP Company

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Aearo E-A-R Specialty Composites Isoloss® VL Polyurethane Elastomer
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced; Rubber or Thermoset Elastomer (TSE)

Material Notes: Isoloss® VL elastomers have an extremely low modulus and good damping performance throughout a useful range of 0°C to 49°C. Isoloss® Polyurethane Elastomers feature high internal damping properties for low amplification at resonance to protect equipment during frequency cycling and random shocks, effective shock protection for sensitive mechanisms within minimum sway parameters, and quick return to equilibrium after vibrations or shocks.

Information provided by Aearo E-A-R Specialty Composites.

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Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 24
Tensile Strength at Break 256 psi
Elongation at Break 900 %
Resilience 23
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 82.0 °C
Brittleness Temperature -40.0 °C
Flammability, UL94 V-0
 
Descriptive Properties
Abrasion ResistanceGood
Compression Set ResistanceGood to Excellent
Damping T max6 dB
Heat Aging; 100°CExcellent
Tear StrengthExcellent

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PEARC26 / 35314

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