Parker Chomerics SOFT-SHIELD® 4850 Multi-planar EMI Gasket

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Parker Chomerics SOFT-SHIELD® 4850 Multi-planar EMI Gasket
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Description: SOFT-SHIELD® 4850 represents the latest advancement in EMI shielding gaskets based on Multi-planar, Z-axis conductive foam technology. SS4850 is based on the unique integration of electrically conductive silver-plated fibers into a low density urethane foam providing the basis for a performance driven, cost effective EMI shielding solution. Typical Applications: Applicable for I/O panels, backplanes, connectors, access panels along with rectangular/ square strip gasket seals; Telecom infrastructure rack and enclosure components; Servers, desktop PCs; LCD/PDP large screen TV’s; Indoor electronics application requiring UL94 V-0 rating. Information provided by Chomerics
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Physical Properties	Metric	English	Comments

Deformation	5.0 %	5.0 %	65 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	5.0 %	5.0 %	50 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	5.0 %	5.0 %	70 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	15 %	15 %	21 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	15 %	15 %	30 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	15 %	15 %	60 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	30 %	30 %	22 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	30 %	30 %	30 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	30 %	30 %	55 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	45 %	45 %	25 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	45 %	45 %	25 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	45 %	45 %	60 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	25 % @Pressure 0.0172 MPa	25 % @Pressure 2.50 psi	ASTM C165 Mod
	50 % @Pressure 0.00896 MPa	50 % @Pressure 1.30 psi	ASTM C165 Mod

Mechanical Properties	Metric	English	Comments
Tensile Strength	0.0683 MPa @Thickness 3.00 mm	9.90 psi @Thickness 0.118 in	ASTM D412
Compression Set	<= 15 %	<= 15 %	Gasket; ASTM D3574

Electrical Properties	Metric	English	Comments
Shielding Effectiveness	88 dB @Frequency 1e+10 Hz	88 dB @Frequency 1e+10 Hz	3mm x 25.4mm
	88 dB @Frequency 1e+10 Hz	88 dB @Frequency 1e+10 Hz	5mm x 25.4mm
	95 dB @Frequency 2.0e+7 - 1.00e+10 Hz	95 dB @Frequency 2.0e+7 - 1.00e+10 Hz	CHO-TM-TP08
	98 dB @Frequency 1e+8 Hz	98 dB @Frequency 1e+8 Hz	5mm x 25.4mm
	103 dB @Frequency 1e+10 Hz	103 dB @Frequency 1e+10 Hz	1.5mm x 25.4mm
	103 dB @Frequency 1e+9 Hz	103 dB @Frequency 1e+9 Hz	5mm x 25.4mm
	105 dB @Frequency 1e+8 Hz	105 dB @Frequency 1e+8 Hz	1.5mm x 25.4mm
	105 dB @Frequency 1e+8 Hz	105 dB @Frequency 1e+8 Hz	3mm x 25.4mm
	107 dB @Frequency 1e+9 Hz	107 dB @Frequency 1e+9 Hz	3mm x 25.4mm
	110 dB @Frequency 1e+9 Hz	110 dB @Frequency 1e+9 Hz	1.5mm x 25.4mm

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	70.0 °C	158 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
Flammability, UL94	V-0	V-0

Descriptive Properties
Adhesive Peel Strength	ASTM D1000 (Modified to 90° peel)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCHOME268 / 130978

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