Parker Chomerics CHO-SHIELD® 610 A/B Epoxy Conductive Coating

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Parker Chomerics CHO-SHIELD® 610 A/B Epoxy Conductive Coating
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Filled/Reinforced Thermoset
Material Notes:	CHO-SHIELD® 610 A/B is a highly conductive, two-component silver-plated-copper filled epoxy coating for application to non-conductive plastic substrates, particularly those subject to hostile environmental conditions of abrasion, temperature extremes, high humidity, and salt fog corrosion. It dries to the touch in less than one hour with best performance attained by using one of two accelerated cure cycles. Information provided by Chomerics
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Physical Properties	Original Value	Comments

Specific Gravity	1.45 - 1.75 g/cc
Volatile Organic Compounds (VOC) Content	888 g/l
Thickness	50.0 microns	Recommended

Electrical Properties	Original Value	Comments
Surface Resistivity per Square	<= 0.15 ohm	2 mils thickness

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	125 °C
Minimum Service Temperature, Air	-65.0 °C

Processing Properties	Original Value	Comments
Cure Time	1.00 hour @Temperature 121 °C
	2.00 hour @Temperature 24.0 °C
	4.00 hour @Temperature 79.0 °C
	168 hour @Temperature 24.0 °C
Pot Life	480 min
Shelf Life	9.00 Month

Descriptive Properties
Binder	Epoxy
Consistency	Medium Fluid
Coverage	453/gal	@ 0.001 in thick
	718 sq. ft²/gal/mil thickness
Cross Hatch Adhesion	5B	ASTM D3359-78 Method B)
Filler	Ag/Cu
High Temperature Test	129	240 hrs. @ 85°C, Initial Resistance
	151	240 hrs. @ 85°C, Final Resistance
Humidity Test	125	240 hrs. @ 65°C and 85-95% RH, Initial Resistance
	125	240 hrs. @ 65°C and 85-95% RH, Initial Resistance
Low Temperature Test	133	240 hrs. @ -40°C, Initial Resistance
	137	240 hrs. @ -40°C, Final Resistance
Mix Ratio	100:28
Salt Fog Test	119	96 hrs. Initial Resistance; ASTM B-117
	196	96 hrs. Final Resistance; ASTM B-117
Suggested Spraying Viscosity #2 Zahn Cup	19 - 27 sec
Work Life	8 hrs.

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PCHOME229 / 130939

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