Chemtronics CTAR Data Sheet
of Cured Coatings (-59°C to 132°C)
Tack Free Time 30 min.
(@ 80% R.H.) 8 Hours @ 170°F (77°C)
(Water=1) @ 68°F (Liquid Only)
Viscosity (cps @ 77°F) 70± 5 cps
Flash Point (TCC) 30°F
(ohm/cm)
Index (CTI) (PLC of 2)
Expansion (in/in/°C)
(1 mil/ft2) CTAR-12 20.2
2 years
TDS # CTAR
CHEMTRONICS
Technical Data Sheet
Konform AR
PRODUCT DESCRIPTION
Konform AR is ide al f or pr oviding
insulation a gainst high -voltage a rcing a nd
corona shor ts. T his extremely effective
acrylic c onformal c oating pr ovides a hard,
durable pr otective ba rrier a gainst hum idity,
salt, corrosive vapors and fungus for printed
circuit board and e lectronic a ssemblies.
Konform
AR r esin m eets MIL-I-46058C,
Type AR.
Clear transparent coating
Excellent dielectric strength
Helps prevent arcing and shorts
Increases life of electronic assemblies
Will not discolor over time under normal
use
Contains a UV indicator for thorough
Quality Control inspection
UL Recognized, File E76307
TYPICAL APPLICATIONS
Konform
AR is ideal for applications in:
Aerospace
Data Communications
Instrumentation
Automotive Manufacturing
Marine Manufacturing
Process Control
TYPICAL PRODUCT DATA AND
PHYSICAL PROPERTIES
Usable Temp. Range -75°F to 270°F
Curing Conditions 24 Hours @ 77°F (25°C)
Specific Gravity 0.93
Volume Resistivity 1 x 1014
Dielectric Breakdown (volts/mil) 8300
Comparative Tracking 250
Coefficient of Thermal 5 x 10-5
Coverage CTAR-1 254.0
Shelflife
COMPATIBILITY
Konform
AR is ge nerally c ompatible w ith
most materials f ound on pr inted c ircuit
boards. A s w ith a ny c hemical pr oduct,
product/component compatibility m ust be
determined on a non-critical a rea pr ior to
use.
Performance
Moisture Resistance
Good
Removability
Excellent
Ease of Repair
Excellent
Flexibility
Fair
Adhesion
Excellent
Abrasion Resistance
Excellent
Solvent Resistance
Fair
CFC
0.0%
VOC
88.9%
HCFC
0.0%
HFC
0.0%
Cl. Solv.
0.0%
ODP
0.00
USAGE INSTRUCTIONS
For industrial use only.
Read MSDS carefully prior to use.
Before a pplying K onform AR conformal c oatings,
clean c ircuit boa rds t o r emove c ontamination a nd
allow t o dr y. C leaning m ay be performed with
Chemtronics Flux-Off products.
SPRAY AP PLICATION: A pply t op to bot tom,
allowing coating to flow evenly around components.
Rotate PCB 9 0° and repeat application. R otate and
apply coating two additional times, then allow board
to c ure. I f a dditional t hickness is desired, apply
additional c oatings. W hen us ing l iquid spray w ith
automatic di spensing e quipment, a djustments may
be required in application rate and viscosity.
DIP AP PLICATION: Using automatic e quipment
or ha nd i mmersion t echnique, s lowly i mmerse PCB
into the coating and remove slowly. Use an average
rate of a pproximately 1 f oot pe r m inute. A fter
allowing the board to cure, process may be repeated
to achieve desired thickness.
BRUSH AP PLICATIONS: E venly a pply c oating
to areas desired at t hickness r equired. A llow t ime
for curing before r eapplying t o ach ieve a t hick
coating. U se C hemask to pr otect c omponents
during conformal coating process.
REMOVAL: After a pplication, c ured K onform
AR m ay be r emoved by s oaking in Chemtronics
Electro-Wash Two Step.
AVAILABILITY
CTAR-12 11.5 oz. Aerosol
CTAR-1 1 Gallon Liquid
ENVIRONMENTAL IMPACT DATA
(For Aerosol Product)
ENVIRONMENTAL IMPACT DATA
CFC, HCFC, CL. SOLV., V OC, and H FC numbers
shown a re t he content by weight. O zone de pletion
potential ( ODP) i s d etermined i n acco rdance w ith the
Montreal Protocol and U.S. Clean Air Act of 1990.
TECHNICAL & APPLICATION ASSISTANCE
Chemtronics provides a t echnical hot line t o answer
your t echnical a nd a pplication r elated que stions.
The toll free number is: 1-800-TECH-401.
NOTE: This information is believed to be accurate. It
is intended for professional end users having the skills to
evaluate and u se t he d ata p roperly. C HEMTRONICS
does not guarantee the accuracy of the data and assumes
no liability in connection w ith da mages i ncurred w hile
using it.
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