Chomerics
Conductive Compounds Selector Guide
Conductive coatings, conductive adhesives,
conductive sealant/gap fillers, and conductive greases
ENGINEERING YOUR SUCCESS.
aerospace
climate control
electromechanical
filtration
fluid & gas handling
hydraulics
pneumatics
process control
sealing & shielding
Product Filler
Resin Type (Parts)
Mix Ratio by Weight
A:B or A:B:C:D
Specific
Gravity
4
Max. Surface
Resistance
4
@
(Rec. Thickness
3
)
ohm/sq. (mils)
Min/Max.
Use Temp.
°C(°F)
Elevated Cure
Schedule
Time @ °C (°F)
RT Cure
Schedule
Time
Working
Life
Hours
Shelf
Life
Months
5
Theoretical Coverage @
(Rec. Thickness
3
)
ft
2
/gram
m
2
/gram
ft
2
/gallon
VOC
2
g/L
Typical Application Comments
2044* Ni Acrylic (1) 1.2 1.000 (2)
-40/85
(-40/185)
10-20 min. @ RT+
0.75 hr. @ 66°C (150°F)
24 hr. unlimited 9
0.036 (2 mils)
0.0033 (2 mils)
162 (2 mils)
755
Plastic enclosure shielding
Solvent sensitive
Commercial grade
2056*
Ag/Cu
& Ag
Acrylic (1) 1.1 0.030 (1)
-40/85
(-40/185)
10-20 min. @ RT+
0.5 hr. @ 66°C (150°F)
24 hr. unlimited 12
0.069 (1 mil)
0.0064 (1 mil)
287 (1 mil)
718
Plastic enclosure shielding
Solvent sensitive
Commercial grade; darker version available
2040* Ag Acrylic (1) 1.2 0.025 (1)
-40/85
(-40/185)
10-20 min. @ RT+
0.5 hr. @ 66°C (150°F)
24 hr. unlimited 12
0.070 (1 mil)
0.006503 (1 mil)
316 (1 mil)
741
Life sciences
electronic housings
Solvent sensitive
Commercial grade. For an Ag filled aerosol
acrylic, use CHO-SHIELD 4900
610* Ag/Cu
Epoxy (2)
A:B 100:28.3
1.2 0.150 (2)
-65/125
(-85/257)
2 hr. @ RT +
1 hr. @ 121°C (250°F)
1 week 8.0 9
0.066 (2 mils)
0.0061 (2 mils)
275 (2 mils)
591
Corrosion
resistance
Corrosion protection
571* Ag
Epoxy (2)
A:B 100:10.9
1.6 0.010 (1)
-40/125
(-40/257)
15 min. @ R.T. +
1 hr. @ 121°C (250°F)
none 12.0 9
0.088 (1 mil)
0.0082 (1 mil)
534 (1 mil)
308
Board level shielding for
semiconductor packages
Replaces stamped metal cans for board level
shielding, designed for high volume, precise
application in clean rooms
576* Ag
Epoxy (2)
A:B 100:27.5
1.7 0.060 (1)
-40/125
(-40/257)
1 hr. @ 75°F (24°C) +
1 hr. @ 121°C (250°F))
1 week 8.0 9
0.090 (1 mil)
0.0084 (1 mil)
41 (1 mil)
560 Plating applications
Provides selective platable conductive paths
on dielectric plastic substrates
596* Ag
Epoxy (2)
A:B 100:37.2
1.8 0.060 (1)
-40/150
(-40/302)
1 hr. @ 75°F (24°C) +
1 hr. @ 121°C (250°F)
1 week 8.0 9
0.100 (1 mil)
0.00929 (1 mil)
45 (1 mil)
585
Protecting EMI flanges by re-
ducing dissimilar metal con-
cerns with EMI gaskets
Solvent, abrasion and high temperature re-
sistant; corrosion resistant CHO-SHIELD 579
is a lower VOC version of CHO-SHIELD 596
579* Ag
Epoxy (2)
A:B 100:32.2
1.8 0.060 (1)
-40/150
(-40/302)
1 hr. @ 75°F (24°C) +
1 hr. @ 121°C (250°F)
1 week 8.0 9
0.090 (1 mil)
0.0084 (1 mil)
41 (1 mil)
376
Protecting EMI flanges by re-
ducing dissimilar metal con-
cerns with EMI gaskets
Solvent, abrasion and high temperature re-
sistant; corrosion resistant Low VOC version
of CHO-SHIELD 596
608* Ag Polyester (1) 1.4 0.015 (1)
-40/125
(-40/257)
15 min. @ R.T. +
60 min. @ 74°C (165°F)
none unlimited 9
0.100 (0.5 mil)
0.0093 (0.5 mil)
576 (0.5 mil)
711
Parts with complex
geometries
Flexible coating designed for thin
applications < 0.001” (0.0254 mm)
604* Ag Polyurethane (1) 1.2 0.010 (1)
-40/125
(-40/257)
15 min. @ R.T. +
30 min. @ 125°C (257°F)
none unlimited 9
0.034 (1 mil)
0.0032 (1 mil)
160 (1 mil)
767
Board level shielding for semi-
conductor packages
Highly conductive, advanced coating devel-
oped for high volume, precise spray applica-
tions on circuit boards and semiconductor
packages
4994* Ag
Polyurethane (4)
A:B:C:D
100:18.3:
1.4:20.9
2.3 0.075 (1)
-40/85
(-40/185)
2 hr. RT & 40-60% RH +
2 hr. @ 55°C (130°F)
1 week 3.0 6
0.030 (3 mils)
0.0028 (3 mils)
259 (3 mils)
596
Aircraft coatings;
grounding
Very smooth and very conductive;
long pot life; excellent sprayability
CHO-SHIELD® Conductive Coatings - Typical Properties
Conductive Compounds Selector Guide
Chomerics
ENGINEERING YOUR SUCCESS.
continued on next page...
* Hazardous shipping required. All compounds such as these should be packed and shipped by trained professionals.
Regulations vary by material type and by quantity. The information provided here is to be used as a general guideline only.