CHO-SHIELD 571 Electrically Conductive Silver Epoxy Paint | Parker NA
179336
179336

CHO-SHIELD 571 Electrically Conductive Silver Epoxy Paint Obsolete

Parker Chomerics CHO-SHIELD® 571 is a highly conductive, advanced coating developed for high volume, precise spray application on circuit boards and semiconductor packages.

Weight (g):
281
52-01-0571-0000
 Part(s)
Product Overview
Description

    Parker Chomerics CHO-SHIELD® 571 is a highly conductive, advanced coating developed for high volume, precise spray application on circuit boards and semiconductor packages. Combined with innovative technologies and packaging designs, CHO-SHIELD® 571 can provide board level or package level EMI shielding of electrical components.

    Applied correctly, CHO-SHIELD® 571 can replace stamped metal cans, saving valuable board space and reducing the overall cost of board level EMI shielding. The polymer system has been custom formulated to closely match the coefficient of thermal expansion (CTE) of typical epoxy molding compounds resulting in great adhesion and environmental stability of the coating on semiconductor devices.

    Features/Benefits:
    • Two component
    • Silver in color
    • Designed for high volume spray application
    • Minimum 12 hour working life at room temperature
    • Silver flake filler
    • Excellent conductivity and EMI shielding of components
    • Epoxy coating
    • Good adhesion to semiconductor packaging materials due to CTE (coefficient of thermal expansion) match of polymer
    • Environmentally stable
    • Withstands wave solder temperatures in excess of 262°C (500°F)

    Typical Applications:
    • Board level EMI shielding of printed circuit boards (PCBs) or other electrical components

Tech Specifications
Description

Performance Characteristics

Polymer Material Options

Epoxy

Filler Material

Silver

Package Type

2 Component Kit
A: 1 Pint Aluminum Can
B: 4 Fluid Ounce Amber Bottle

Primer Included

Not Required

Ratio

100:8.3 by weight

Color

Silver

Spraying Viscosity & Test Method

19 to 25 sec Zahn Cup 2

Surface Resistivity

<= 0.010 Ω/square

Noise Shielding Level

> 100 dB

Film Thickness

0.025 mm

Specific Gravity

1.39

Operating Temperature

-40 to 125 °C

Shelf Life

9 Months

Product Support

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