Parker Chomerics CHO-SHIELD® 2040 EMI coating is a one-component, silver-filled conductive acrylic coating that is specially formulated to provide premium EMI shielding on plastic substrates. CHO-SHIELD® 2040 is a silver-colored acrylic that provides excellent EMI shielding (>80 dB) while allowing for quick dry-time and handling. Typical applications include electronic enclosures and assemblies. Features and Benefits:• One component solution so no measuring and mixing of components is required• Can be applied with standard spray paint equipment, eliminating need for expensive equipment• Material dries at room temperature so no high temperature cure ovens are required• Silver provides anti-microbial properties making this coating a good choice for hospital applications• Minimized material costs and paint cycle time due to thin coating thickness• Great EMI shielding properties (>80 dB) due to silver flake filler
Packaging
1 gallon aluminum can
Primer Included
Not required
Polymer Family
Acrylic
Filler Material
Silver
Color
Silver
Viscosity Grade
16 to 22 seconds Zahn Cup 2
Surface Resistance (ohms/square)
<0.025
Shielding Effectiveness (dB)
>80
Film Thickness (mm)
0.025
Specific Gravity
1.23
Average Solids by Weight
40%
Temperature Range (C)
-40 to 85
Shelf Life (Months)
12
