Rogers Corporation Poron® 4701-30-25 Urethane Foam, Very Soft

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Rogers Corporation Poron® 4701-30-25 Urethane Foam, Very Soft
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes:	Very soft, easily compressed for use where flexibility is a key requirement. Standard available thickness range from 0.021" Features and Benefits of PORON Products: Excellent compression set resistance which enables durable, long-term performance for gasketing, sealing, and cushioning. Low-outgassing and non-fogging, containing no plasticizers or residual chemicals to contaminate the device. The material will not become brittle and crumble and is non-corrosive to metal. Inherently flame retardant without the use of additives. Many of the materials meet flammability requirements of UL HBF and MVSS 302. Engineered urethane formulations offering a wide modulus range - 2-90 psi @ 25% deflection – for more design versatility requirements. Good chemical resistance Easy to fabricate, die-cuts cleanly and works with a broad range of adhesives Broad range of formulas and thicknesses from 0.012" to 0.500" (0.43mm to 12.7mm) Applications:Communications Automotive Electronics Other industrial equipment and devices Information provided by Rogers Corporation.
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Physical Properties	Metric	English	Comments

Density	0.400 g/cc	0.0145 lb/in³	ASTM D3574-95 Test A
Water Absorption	14 %	14 %	Immersion; ASTM D570-95
Moisture Absorption at Equilibrium	2.0 %	2.0 %	High Humidity; AMS 3568-95
Thickness	787 - 1140 microns	31.0 - 45.0 mil	Range of Thicknesses Available
Outgassing - Total Mass Loss	0.60 % @Temperature 125 °C, Time 86400 sec	0.60 % @Temperature 257 °F, Time 24.0 hour	WVR; at 7000 Pa; ASTM E595-93
	1.3 % @Temperature 125 °C, Time 86400 sec	1.3 % @Temperature 257 °F, Time 24.0 hour	TML; at 7000 Pa; ASTM E595-93
Collected Volatile Condensable Material	0.20 % @Temperature 125 °C, Time 86400 sec	0.20 % @Temperature 257 °F, Time 24.0 hour	at 7000 Pa; ASTM E595-93

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	12	12	ASTM D2240-97
Hardness, Shore O	16	16	ASTM D2240-97
Tensile Strength	>= 0.241 MPa	>= 35.0 psi	ASTM D3574-75 Test E
	0.483 MPa	70.0 psi	Typical; ASTM D3574-75 Test E
Elongation at Break	>= 100 %	>= 100 %	ASTM D3574-75 Test E
	150 %	150 %	Typical; ASTM D3574-75 Test E
Compressive Yield Strength	0.0345 - 0.0827 MPa @Strain 25 %	5.00 - 12.0 psi @Strain 25 %	Range, 0.2"/min. strain rate
	0.0621 MPa @Strain 25 %	9.00 psi @Strain 25 %	Typical value, 0.2"/min. strain rate
Tear Strength	>= 0.700 kN/m	>= 3.99 pli	ASTM D264-91 Die C
	1.80 kN/m	10.3 pli	Typical; ASTM D264-91 Die C
Compression Set	2.0 % @Temperature 23.0 °C	2.0 % @Temperature 73.4 °F	ASTM D1667-90 Test D
	5.0 % @Temperature 121 °C	5.0 % @Temperature 250 °F	autoclaved 5 hrs; ASTM D3574-95 J/Test D
	10 % @Temperature 70.0 °C	10 % @Temperature 158 °F	ASTM D3574-95 Test D

Electrical Properties	Metric	English	Comments
Volume Resistivity	3.00e+11 ohm-cm	3.00e+11 ohm-cm	ASTM D257-99
Dielectric Constant	1.75 @Time 86400 sec	1.75 @Time 24.0 hour	50% RH; ASTM D150
Dielectric Strength	1.97 kV/mm	50.0 kV/in	ASTM D149-97a
Dissipation Factor	0.050	0.050	ASTM D150-98

Thermal Properties	Metric	English	Comments
CTE, linear	230 - 310 µm/m-°C	128 - 172 µin/in-°F
Maximum Service Temperature, Air	90.0 °C	194 °F	Constant use; SAE J-2236
	121 °C	250 °F	Intermittent use; ASTM D746-98
Brittleness Temperature	-51.0 °C	-59.8 °F	ASTM D746-98

Descriptive Properties
Flammability Test	pass		MVSS 302; 0.062 in.

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PROGA912 / 138352

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