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Rulon Bearings

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Saint-Gobain Korel® K60 Firm Micro-cellular Polyurethane Foam
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced

Material Notes: Description: The Korel® series micro-cellular polyurethane foams are offered in a broad range of properties, making them ideal for a variety of gasketing and energy absorption needs. Korel® microcellular foams are categorized by degree of deflection force. By varying the modulus and density, Saint Gobain Performance Plastics has developed this series of materials that meets the demands of design engineers today. All Korel fians are available with an aggressive acrylic adhesive on one side to facilitate placement. Korel K60 series is very firm, high-deflection urethane foam. This series offers very tight tolerance for gauge control. Its high internal strength resists tearing and deformation.

FEATURES/BENEFITS:
  • Excellent compression set resistance
  • Highly resilient (will not collapse)
  • Dissipates stresses
  • Resistant to moisture and most chemicals
  • Conformable and flexible even in extreme environmental conditions
  • Easy to achieve intricate die-cut parts
  • Aggressive acrylic adhesive (optional) facilitates assembly
  • Available cast on to polyester film for stability and low deformation
Typical Applications: Cellular telephones, electrical enclosures, electronic gasketing, vibration damping, cushioning, acoustical control, bumpers, instrument panels, spacers.
Specification Notes: UL Testing (JMST2) UL 50 and UL 508 File MH26338; Passes Fogging Test SAE-J 1756, 3 hrs. at 212°F (100°C). All data based on a 0.012 inch test sample.
Information provided by Saint Gobain Performance Products.

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Physical PropertiesOriginal ValueComments
Density 0.0230 lb/in³ASTM D1667
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 290 psiASTM D3574
Elongation at Break 300 %ASTM D3574
Tensile Modulus 160 psiASTM D3574
Compressive Strength 35.0 psiCompression Deflection, Value given for 12.7 mm/min, 25% deflection.; ASTM D3574 Test C
Compressive Modulus 80.0 psiForce to Compress, Value given for 25% compression; ASTM D1667
Tear Strength 35.0 pliInitial Tear Strength; ASTM D624 Die C
Compression Set <= 3.0 %
@Temperature 22.8 °C
Constant Deflection; ASTM D 3574 Test D
 <= 7.0 %
@Temperature 70.0 °C
Constant Deflection; ASTM D 3574 Test D
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.30e+12 ohm-cm
Surface Resistivity per Square 2.30e+13 ohm
Dielectric Strength 50.0 V/milASTM D149
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 0.600 BTU-in/hr-ft²-°FASTM E1530
Maximum Service Temperature, Air 158 °FConstant use
 250 °FIntermittent
 
Descriptive Properties
Standard ColorBlack

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