Acktar optical coatings consist of a thin layer composed of metal/metal oxide which is produced by a vacuum deposition technique. Such coatings will retain their spectral and other characteristics provided that the following rules are observed.
Handling Precautions:
1. Protect the coated surfaces against mechanical impacts by solid objects.
2. Avoid local bending and rubbing of the coated substrate.
3. Avoid contamination of the coatings by powder-like or liquid substances which could seal the porous structure of the coatings.
4. Avoid any contact of the coatings with active chemical compounds such as diluted and undiluted mineral acids, alkalis, strong oxidizers and their vapors - even for short periods of time.
5. Use latex powder-free examination gloves when manual handling is necessary.
Removal of dust and other hard particles:
Use compressed dry air or nitrogen to blow off dust and other particles.
Cleaning with solvent:
Acktar coated parts are clean as delivered and normally do not require any cleaning.
Coated surfaces contaminated with organic substances, especially fats and oils, can be cleaned cautiously using IPA, Ethanol, Acetone or an equivalent solvent (not containing chlorine).
1. In case of a local contamination:
· Immerse tissue paper or new clean cotton swab in one of the above mentioned solvents.
· Gently wipe the area until contamination removal is complete.
· Dry with hot air.
2. In case of large-area contamination (relevant only for coated parts, not for Acktar coatings supplied as self adhesive tapes):
· Prepare a solution of one of the solvents mentioned above.
· Dip the part in the solution for up to five minutes.
· Gently shake a couple of times while the part is in the solution *.
· Dry with hot air.
* Ultrasonic cleaning is also allowed, provided the part is notsubjected to mechanical impacts by solid objects.
Storage:
Long term storage of the coated surfaces should be in a dry atmosphere.
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