If you are looking for a good conformal coating spray to seal electronic components and circuit boards, 1000-145-ND may be what you need. The clear to slightly amber appearance makes the electronics easily visible.
11/01/22 Update - (Verified with our Product Manager, the item 1000-145-ND is discontinued by the manufacturer)
Note: Please see the alternative Silicon Type below
LOCTITE 3900 is a clear acrylic formulated without chlorinated
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.
● High dielectric strength
● Fast drying
● Precision spray nozzle
● Contains no CFC’s
For a flexible silicone type instead, please Click here for options 473-1353-ND and 134-8695-ND.
Techspray conformal coatings offer a wide range of resin types, including silicone, acrylic, and urethane. Fine-L-Kote SRV silicone coating passes stringent standards including MIL-STD 810G and MS941-04 salt spray tests, so it is ideal for moisture protection. If you are having trouble keeping a steady supply of Dowsil 1-2577, Fine-L-Kote SRV can be qualified as drop-in replacement.
See also:
Common types of Conformal Coatings
