Parker Chomerics SOFT-SHIELD® 4850-STRIP Low-Closure Force Strip Gasket

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Parker Chomerics SOFT-SHIELD® 4850-STRIP Low-Closure Force Strip Gasket
Categories:	Polymer
Material Notes:	Description: SOFT-SHIELD® 4850-STRIP multi-planar, Z-axis conductive strip gaskets are a new, convenient form of the successful 4850 EMI sheet gasket. These strip gaskets provide EMI shielding in the range of 70-80 dB, along with lower closure force, lower compression set and up to 20% lower cost than fabric-over-foam gaskets. Product Application: Panel seals, Cover seals, Grounding pads, Door seals, Desktop/laptop computers, Entertainment systems, CD/Receiver head units, Roadside Assistance systems and Satellite radio receivers. Information provided by Chomerics
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Physical Properties	Original Value	Comments

Deformation	5.0 %	65 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	5.0 %	50 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	5.0 %	70 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	15 %	20 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	15 %	30 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	15 %	60 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	30 %	22 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	30 %	30 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	30 %	50 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	45 %	19 mOhm/sq in, at .05 in/min, 1 sq in area sample, 1mm
	45 %	25 mOhm/sq in, at .05 in/min, 1 sq in area sample, 3mm
	45 %	60 mOhm/sq in, at .05 in/min, 1 sq in area sample, 5mm
	25 % @Pressure 0.0172 MPa	ASTM C165 Mod
	50 % @Pressure 0.0296 MPa	ASTM C165 Mod

Mechanical Properties	Original Value	Comments
Tensile Strength	9.90 psi @Thickness 3.00 mm	ASTM D412
Compression Set	<= 15 %	Gasket; ASTM D3574

Electrical Properties	Original Value	Comments
Shielding Effectiveness	65 dB @Frequency 1e+10 Hz	4mm x 6mm
	65 dB @Frequency 1e+10 Hz	5mm x 5mm
	70 dB @Frequency 1e+10 Hz	2mm x 6mm
	75 dB @Frequency 1e+10 Hz	1mm x 6mm
	75 dB @Frequency 1e+8 Hz	4mm x 6mm
	70 - 80 dB @Frequency 2.0e+7 - 1.00e+10 Hz	CHO-TM-TP08
	78 dB @Frequency 1e+8 Hz	5mm x 5mm
	79 dB @Frequency 1e+9 Hz	5mm x 5mm
	80 dB @Frequency 1e+9 Hz	1mm x 6mm
	80 dB @Frequency 1e+9 Hz	2mm x 6mm
	81 dB @Frequency 1e+8 Hz	2mm x 6mm
	82 dB @Frequency 1e+8 Hz	1mm x 6mm
	88 dB @Frequency 1e+9 Hz	4mm x 6mm

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	70.0 °C
Minimum Service Temperature, Air	-40.0 °C
Flammability, UL94	V-0

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

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