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CHO-SHIELD 604 Highly Electrically Conductive Silver Polyurethane EMI Coating for Semiconductor Packages
Brand: ChomericsParker Chomerics CHO-SHIELD® 604 is a highly conductive, flexible, advanced coating developed for high volume, precise spray applications on circuit boards and semiconductor packages.
Combined with innovative technologies and packaging designs, CHO-SHIELD® 604 can provide board level or package level EMI shielding of electrical components.
Applied correctly, CHO-SHIELD® 604 can replace stamped metal cans, saving valuable board space and reducing the overall cost of board level EMI shielding.
CHO SHIELD® 604’s specially formulated flexible polymer system provides tenacious adhesion and good environmental stability.
Features- One component
- Silver flake filler
- Polyurethane coating
- Designed for high volume spray applications
- Exceptional working life at room temp. (cures only when heated >125°C)
- Flexible coating which provides great adhesion to a variety of substrates
Specifications
Brand
Color
- Silver
Filler Material
- Silver
Film Thickness
- 0.025 mm
Noise Shielding Level
- > 70 dB
Operating Temperature
- -40° to 125° C
Package Type
- 10 Fluid oz. Aluminum Bottle
Percent Solids by Weight
- 30 %
Polymer Material Options
- Polyurethane
Primer Included
- Not Required
Shelf Life
- 9 Months
Specific Gravity
- 1.23
Surface Resistance
- < = 0.010 Ω/square
Viscosity Grade
- 19 to 25 seconds Zahn Cup 2