Parker Chomerics CHO-SHIELD® 2040 Silver-Filled Acrylic Coating for EMI Shielding

Category	Polymer , Adhesive , Thermoset , Acrylic/Cyanoacrylate Adhesive
Manufacturer	Parker Chomerics
Trade Name	CHO-SHIELD®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Parker Chomerics CHO-SHIELD® 2040 Silver-Filled Acrylic Coating for EMI Shielding.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Description: CHO-SHIELD® 2040 is an electrically conductive, one-component silver filled acrylic coating that is specially formulated for application on plastic to provide premium EMI/RFI shielding performance. CHO-SHIELD® 2040’s robust formulation can be applied in both high and low volume paint application. CHO-SHIELD® 2040 is ideal for use on electronic enclosures and assemblies. CHO-SHIELD® 2040’s composition allows for simple, standard application using conventional equipment with minimal dry-time and handling. CHO-SHIELD® 2040 is ideal for use on medical electronic enclosures and assemblies which require high level, reliable EMI shielding performance and may benefit from silver’s antimicrobial properties.Application: Superior EMI shielding, Anti-static protection, Surface grounding, Coating of ABS, PC/ABS, and many other types of plastic enclosures.Information provided by Chomerics

Physical Properties	Metric	English	Comments
Specific Gravity	1.10 - 1.50 g/cc	1.10 - 1.50 g/cc	ASTM D792
Solids Content	42 %	42 %
Volatile Organic Compounds (VOC) Content	741 g/l	741 g/l

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	85.0 °C	185 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F

Electrical Properties	Metric	English
Surface Resistivity per Square	<= 0.025 ohm @Thickness 0.0250 mm	<= 0.025 ohm @Thickness 0.000984 in
Shielding Effectiveness	73 dB @Frequency 1.00e+10 Hz	73 dB @Frequency 1.00e+10 Hz
	>= 75 dB @Frequency 10000 - 8.00e+7 Hz	>= 75 dB @Frequency 10000 - 8.00e+7 Hz
	80 dB @Frequency 1.00e+8 Hz	80 dB @Frequency 1.00e+8 Hz
	85 dB @Frequency 1.00e+9 Hz	85 dB @Frequency 1.00e+9 Hz

Processing Properties	Metric	English	Comments
Dry Time	0.500 hour @Temperature 24.0 °C	0.500 hour @Temperature 75.2 °F	Tack Free
	10 - 20.0 hour @Temperature 24.0 °C	10 - 20.0 hour @Temperature 75.2 °F	then 30 minutes at 65°C
	24.0 hour @Temperature 24.0 °C	24.0 hour @Temperature 75.2 °F	Full Dry
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties	Value	Comments
Adhesion	5B	ASTM D 3359
Coverage	267 sq ft/gal	at 0.001 in
Filler	Silver
Polymer	Acrylic
Suggested Spraying Viscosity #2 Zahn Cup	16 - 22 sec

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