Loctite 3900 Conformal Coating
Loctite 3900 Conformal Coating Shadow Cure Acrylic 311g
- Storage Temperature : 8 - 12 °C
- Color : Amber: Light Amber
- Curing Type : Room temperature cure
- Application : Conformal coating
LOCTITE 3900 is a transparent, colorless to slightly amber, acrylic resin conformal coating free of chlorinated solvents or CFCs. It is spray-applied and air dries tack-free in five mins to provide a tough environmental and solvent-resistant coating for printed circuit boards, electronic components, thick-film circuits, etc. Its normal operating range is -40 °F to +257 °F (-40 °C to +125 °C).
- High dielectric strength
- Fast drying
- Precision spray nozzle
- Free of chlorinated solvents and CFCs
solvents or CFC's. The coating is spray-applied and air dries
tack-free in five minutes to provide a tough environmental and
solvent-resistant coating. The material provides protection of
printed circuit boards, electronic components, thick-film circuits
and other substrates. This product is typically used in
applications with an operating range of -40 °C to +125 °C.
This product is not recommended for use in pure oxygen
and/or oxygen rich systems and should not be selected as
a sealant for chlorine or other strong oxidizing materials.
For safe handling information on this product, consult the
Safety Data Sheet (SDS).
Directions for use:
- Surface should be free of flux, grease, ionic residue or
any other contaminates. Mask board if required.
- Shake can thoroughly before use.
- Spray board 15 to 20 cm from surface with even motion.
- Rotate board and repeat application 2-3 times for best
- Application with PCB in horizontal position recommended
for even coating.
- A coating of 0.05 to 0.07 mm will air dry tack-free within 5
minutes @ 22 °C and 40 to 60 %RH. Full cure requires
24 hours @ 22 °C.
- Cured coatings may be removed by soaking in acetone.
Component replacement may be accomplished by
localized desoldering/soldering through the coating and
Loctite Material Specification
LMS dated April-26, 2001. Test reports for each batch are
available for the indicated properties. LMS test reports include
selected QC test parameters considered appropriate to
specifications for customer use. Additionally, comprehensive
controls are in place to assure product quality and
consistency. Special customer specification requirements may
be coordinated through Henkel Quality.
Store product in the unopened container in a dry location.
Storage information may be indicated on the product container
Optimal Storage: 8 °C to 21 °C. Storage below 8 °C or
greater than 28 °C can adversely affect product properties.
Material removed from containers may be contaminated during
use. Do not return product to the original container. Henkel
Corporation cannot assume responsibility for product which
has been contaminated or stored under conditions other than
those previously indicated. If additional information is required,
please contact your local Technical Service Center or
Customer Service Representative.
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