Parker Chomerics CHO-FORM 5532 EMI Shielding Material

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Parker Chomerics CHO-FORM 5532 EMI Shielding Material (discontinued **)
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE); Silicone
Material Notes:	One component, moisture cure, form-in-place EMI gasketing material. This electrically conductive formulation contains silver-plated copper particles dispersed in a silicone elastomer. Cho-Form® 5531 is designed to be robotically dispensed using high pressure dispense equipment Information provided by Chomerics
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Physical Properties	Metric	English	Comments

Specific Gravity	3.02 g/cc	3.02 g/cc
	2.80 - 3.30 g/cc	2.80 - 3.30 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	26	26	Typical Value; ASTM D2240
	<= 45	<= 45	ASTM D2240
Tensile Strength at Break	>= 0.414 MPa	>= 60.0 psi	ASTM D412
	0.586 MPa	85.0 psi	Typical Value; ASTM D412
Compression Set	30 %	30 %	ASTM D395 Method B 22 hrs 85°C
	20 - 45 %	20 - 45 %	ASTM D395 Method B 22 hrs 85°C

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.020 ohm-cm	0.020 ohm-cm	Initial; Chomerics MAT-1002
	<= 0.020 ohm-cm	<= 0.020 ohm-cm	Aged; Chomerics MAT-1002
Shielding Effectiveness	>= 70 dB	>= 70 dB	Chomerics TP08

Processing Properties	Metric	English	Comments
Extrusion Rate	5.50 - 7.50 g/min	5.50 - 7.50 g/min
Cure Time	2.00 min @Temperature 65.0 °C	0.0333 hour @Temperature 149 °F	85% RH
	3.00 min @Temperature 30.0 °C	0.0500 hour @Temperature 86.0 °F	85% RH

Descriptive Properties
Filler	Ag/Cu
Resin	One Part Silicone
Shear Adhesion N/cm VMin	12

**
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