Rogers Corporation Poron® 4701-40-30 Cellular Urethane Foam

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Rogers Corporation Poron® 4701-40-30 Cellular Urethane Foam
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Information on this material is preliminary. Standard color is black (04); others are available. Passes fogging test SAE-J 1736 for 3 hrs. at 100°C (212°F). 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 Properties	Original Value	Comments

Density	0.400 g/cc	±10%; ASTM D3574A

Mechanical Properties	Original Value	Comments
Hardness, Shore A	25	ASTM D2240
Hardness, Shore O	34	ASTM D2240
Tensile Strength, Ultimate	>= 0.829 MPa	ASTM D3574E
Elongation at Break	>= 100 %	ASTM D3574E
Compressive Yield Strength	0.104 - 0.276 MPa	at 25% deflection; 0.2"/min strain rate
Tear Strength	>= 2.10 kN/m	Die 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 Properties	Original Value	Comments
Electrical Resistivity	1.00e+12 ohm-cm	ASTM D257
Surface Resistance	2.00e+12 ohm	ASTM D257
Dielectric Constant	1.71	K' ("DK"); ASTM D150; relative humidity 50% for 24 hrs.
Dielectric Strength	2.00 kV/mm	ASTM D149
Dissipation Factor	0.050	tan D ("DF"); ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	230 - 310 µm/m-°C @Temperature 20.0 °C	ASTM C518
Maximum Service Temperature, Air	90.0 °C	Recommended continuous use

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