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Parker Chomerics CHO-SHIELD® 2044 Nickel-Filled Acrylic Coating for EMI Shielding

Category Polymer , Adhesive , Thermoset , Acrylic/Cyanoacrylate Adhesive
Manufacturer Parker Chomerics
Trade Name CHO-SHIELD®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Parker Chomerics CHO-SHIELD® 2044 Nickel-Filled Acrylic Coating for EMI Shielding.pdf
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Material Notes:
Description: CHO-SHIELD® 2044 is an electrically conductive, one-component nickel-filled acrylic coating that is especially formulated for application on plastics to provide modest EMI shielding. CHO-SHIELD® 2044 is ideal for use on electronic enclosures and assemblies. The electrical conductivity of the durable, nickel-composition paint allows for simple, standard application using conventional equipment with minimal dry-time and handling. CHO-SHIELD® 2044 is ideal for use on electronic enclosures and assemblies where abrasion resistance and coating durability are important This durable, conductive coating derives its hardness from its nickel composition and may provide limited amounts of H-field shielding. Given its relatively low conductivity as compared to other metal fillers, the nickel provides exceptional shielding for enclosures where both external RF fields must be excluded, and internal radiated emission must be attenuated.Applications: Moderate 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 1.00 - 1.40 g/cc
1.00 - 1.40 g/cc
ASTM D792
Solids Content 42 %
42 %
Volatile Organic Compounds (VOC) Content 755 g/l
755 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 Comments
Surface Resistivity per Square <= 1.0 ohm

@Thickness 0.0500 mm
<= 1.0 ohm

@Thickness 0.00197 in
Shielding Effectiveness 57 dB

@Frequency 1.00e+8 Hz
57 dB

@Frequency 1.00e+8 Hz
>= 60 dB

@Frequency 10000 - 8.00e+7 Hz
>= 60 dB

@Frequency 10000 - 8.00e+7 Hz
63 dB

@Frequency 1.00e+9 Hz
63 dB

@Frequency 1.00e+9 Hz
70 dB

@Frequency 1.00e+10 Hz
70 dB

@Frequency 1.00e+10 Hz
Processing Properties Metric English Comments
Dry Time 0.250 hour

@Temperature 24.0 °C
0.250 hour

@Temperature 75.2 °F
then 45 minutes at 65°C
0.500 hour

@Temperature 24.0 °C
0.500 hour

@Temperature 75.2 °F
Tack Free
24.0 hour

@Temperature 24.0 °C
24.0 hour

@Temperature 75.2 °F
Full Dry
Shelf Life 9.00 Month
9.00 Month
Descriptive Properties Value Comments
Adhesion 5B
ASTM D 3359
Coverage 122 sq ft/gal
at 0.002 in
Filler Nickel
Polymer Acrylic
Suggested Spraying Viscosity #2 Zahn Cup 15 - 25 sec
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