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Master Bond adhesives

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Rogers Corporation Poron® 4701-50-30 Cellular Urethane Foam
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced; Rubber or Thermoset Elastomer (TSE)

Material Notes: Standard color is black (04); others are available. Passes flammability test MVSS 302. Passes fogging test SAE-J 1736 for 3 hrs. at 100°C (212°F). Passes cold flexibility per MIL-P-12420D at -40°C (-40°F). Good mildew/bacteria resistance per ASTM G-21. Skin contact is 'no irritation' per Schwartz and Peck human patch test. No stain per ASTM D925. Good UV resistance per ASTM G53. No tackiness or surface deterioration after 10 min. immersion in 75% naphtha, 25% 1,1,1-trichloroethane, then allowed to dry completely. No tackiness or surface deterioration in antifreeze + water 50/50; windshield washer solution; electrical grease; or in soap + water 50/50. Passes ozone resistance per GM 4486P.

General Poron® information: Poron® foams are supplied in continuous rolls and can easily be fabricated: die-cut, slit, machined, and laminated. Key properties include excellent resistance to compression set, high energy absorption, low outgassing, resistance to temperatures, bondable surface, low hydrolysis, no plasticizers, high internal strength and dimensional stability, and chemical resistance.

Information supplied by Rogers Corporation.

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Physical PropertiesOriginal ValueComments
Density 0.400 g/cc±10%; ASTM D3574A
Water Absorption 2.0 %Typical per AMS 3568
Water Absorption at Saturation 5.0 %Immersion; ASTM D570
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 42ASTM D2240
Hardness, Shore O 55ASTM D2240
Tensile Strength, Ultimate >= 1.382 MPaASTM D3574E
Elongation at Break >= 90 %ASTM D3574E
Compressive Yield Strength 0.207 - 0.415 MPaat 25% deflection; 0.2"/min strain rate
Tear Strength >= 2.30 kN/mDie C; ASTM D624
Compression Set <= 2.0 %
@Temperature 23.0 °C
ASTM D1667 test D
 <= 5.0 %
@Temperature 121 °C
Test D after autoclaved 5 hrs.; ASTM D3574J
 <= 10 %
@Temperature 70.0 °C
ASTM D3574 test D
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 3.00e+12 ohm-cmASTM D257
Surface Resistance 7.00e+12 ohmASTM D257
Dielectric Constant 1.63K' ("DK"); ASTM D150; relative humidity 50% for 24 hrs.
Dielectric Strength 2.00 kV/mmASTM D149
Dissipation Factor 0.050tan D ("DF"); ASTM D150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 230 - 310 µm/m-°C
@Temperature 20.0 °C
ASTM C518
Maximum Service Temperature, Air 90.0 °CRecommended continuous use
 121 °CIntermittent
Brittleness Temperature -40.0 °CLow temp embrittlement; ASTM D746

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PROGPO8 / 66301

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