Rogers Corporation Poron® 4701-50 Thin as Cast Urethane Foam, Firm, Thin as Cast

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Rogers Corporation Poron® 4701-50 Thin as Cast Urethane Foam, Firm, Thin as Cast
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes:	Firm material used for managing high energy impact with gasketing needs. Standard available thickness range from 0.012" to 0.500" (0.30 mm to 12.7 mm). 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	Original Value	Comments

Density	30.0 lb/ft³	ASTM D3574-95 Test A
Water Absorption	5.0 %	Immersion; ASTM D570-95
Moisture Absorption at Equilibrium	2.0 %	High Humidity; AMS 3568-95
Thickness	17.0 - 20.0 mil	Range of Thicknesses Available
Outgassing - Total Mass Loss	0.43 % @Temperature 125 °C, Time 86400 sec	WVR; at 7000 Pa; ASTM E595-93
	0.90 % @Temperature 125 °C, Time 86400 sec	TML; at 7000 Pa; ASTM E595-93
Collected Volatile Condensable Material	0.060 % @Temperature 125 °C, Time 86400 sec	at 7000 Pa; ASTM E595-93

Mechanical Properties	Original Value	Comments
Hardness, Shore O	55	ASTM D2240-97
Tensile Strength	>= 160 psi	ASTM D3574-75 Test E
	238 psi	Typical; ASTM D3574-75 Test E
Elongation at Break	>= 90 %	ASTM D3574-75 Test E
	118 %	Typical; ASTM D3574-75 Test E
Compressive Yield Strength	5.00 - 45.0 psi @Strain 25 %	Range, 0.2"/min. strain rate
	32.0 psi @Strain 25 %	Typical value, 0.2"/min. strain rate
Tear Strength	>= 1.60 kN/m	ASTM D264-91 Die C
	4.40 kN/m	Typical; ASTM D264-91 Die C
Compression Set	5.0 % @Temperature 23.0 °C	ASTM D1667-90 Test D
	5.0 % @Temperature 121 °C	autoclaved 5 hrs; ASTM D3574-95 J/Test D
	10 % @Temperature 70.0 °C	ASTM D3574-95 Test D

Electrical Properties	Original Value	Comments
Volume Resistivity	2.00e+12 ohm-cm	ASTM D257-99
Dielectric Constant	1.63 @Time 86400 sec	50% RH; ASTM D150
Dielectric Strength	50.0 V/mil	ASTM D149-97a
Dissipation Factor	0.050	ASTM D150-98

Thermal Properties	Original Value	Comments
CTE, linear	230 - 310 µm/m-°C
Maximum Service Temperature, Air	90.0 °C	Constant use; SAE J-2236
	121 °C	Intermittent use; ASTM D746-98
Brittleness Temperature	-40.0 °C	ASTM D746-98

Descriptive Properties
Flammability Test	pass	MVSS 302; 0.045 in.

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