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Rogers Corporation Poron® 4790-92-12 Urethane Foam, Extra Soft, Slow Rebound

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane Foam, Unreinforced
Manufacturer Rogers Corporation
Trade Name Poron®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Rogers Corporation Poron® 4790-92-12 Urethane Foam, Extra Soft, Slow Rebound.pdf
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Material Notes:
Extra soft, slow rebound with a very low closure force. Standard available thickness range from 0.021" to 0.500" (0.53 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 resistanceEasy to fabricate, die-cuts cleanly and works with a broad range of adhesivesBroad range of formulas and thicknesses from 0.012" to 0.500" (0.43mm to 12.7mm)Applications:
Physical Properties Metric English Comments
Density 0.192 g/cc
0.00694 lb/in³
ASTM D3574-95 Test A
Water Absorption 38 %
38 %
Immersion; ASTM D570-95
Moisture Absorption at Equilibrium 2.0 %
2.0 %
High Humidity; AMS 3568-95
Thickness 3940 - 10800 microns
155 - 425 mil
Range of Thicknesses Available
Outgassing - Total Mass Loss 0.040 %
0.040 %
CVCM; ASTM E595-93
0.60 %
0.60 %
WVR; ASTM E595-93
0.76 %
0.76 %
TML; ASTM E595-93
Mechanical Properties Metric English Comments
Hardness, Shore O <= 3.0
<= 3.0
ASTM D2240-97
Tensile Strength >= 0.0827 MPa
>= 12.0 psi
ASTM D3574-75 Test E
Elongation at Break >= 150 %
>= 150 %
ASTM D3574-75 Test E
Compressive Yield Strength 0.00172 - 0.0172 MPa

@Strain 25.0 %
0.250 - 2.50 psi

@Strain 25.0 %
Range, 0.2"/min. strain rate
0.00965 MPa

@Strain 25.0 %
1.40 psi

@Strain 25.0 %
Typical value, 0.2"/min. strain rate
Tear Strength >= 0.400 kN/m
>= 2.28 pli
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
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 -20.0 °C
-4.00 °F
ASTM D746-98
Electrical Properties Metric English Comments
Dielectric Strength 1.65 kV/mm
42.0 kV/in
ASTM D149-97a
Descriptive Properties Value Comments
Flammability Test pass
MVSS 302; 0.155 in.
pass
CSA Comp HBF (File 188149); 0.155 in.
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