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Aculon® NanoProof® 7.0 is a surface treatment capable of imparting hydrophobicity and oleophobicity to a wide variety of surfaces in a simple, one-step process. It is designed for multi-surface treatment on metals, semiconductors, and polymers. Aculon® NanoProof® 7.0 is typically applied by dip, dispense, or flow treatment and results in a hydro/oleophobic film that is resistant to chemical degradation. It is specifically designed to protect electronic circuitry from immersion in water.
Ensure that the surface is free of any grease, fingerprints, adhesive residues or dirt. This can be accomplished by first degreasing the surface with solvents or by rinsing with IPA. Depending on the sensitivity of your part to liquids Kyzen cleaners like Ionox I3416 or Cybersolv 141-R may be most appropriate for removing surface contamination. Contact Aculon if you are unsure what cleaner to use and we will recommend one best suited for your application. Substrates should be coated after cleaning as soon as possible to minimize the potential for recontamination
Dispense: Dispense product over the surface. Apply enough material to coat the surface. Allow excess material to drain.
Dip: Immerse the substrate in the solution for 20 seconds, air dry till solvent evaporated. Recommended dip containers are stainless steel, glass or aluminum. Plastic containers are likely to contaminate the treatment solution reducing performance.
Drying: Air dry at room temperature until the solvent evaporates. In some cases additional thermal curing (e.g. 100C for 5 minutes) will speed solvent evaporation. Treatment will be deformable by touch during solvent evaporation, thus care should be taken when handling the part so as to not disturb the treatment in sensitive areas. After solvent evaporation treatment will be rigid.
Masking: Expect all masks to be compatible. For example: Techspray WonderMASK PX Peelable Solder Mask (2222-8SQ), Kapton Conformal Coating Tapes, Mylar tape, Polyimide Testing
For Hydrophobicity: Allow droplets of water to fall onto the surface, they should bead up to a contact angle >90⁰. If the surface is not hydrophobic clean the surface again and reapply.