3M Surface Pre-Treatment AC-131 is a high-performance conversion coating for applications on aluminum, nickel, and titanium alloys. This process is valid on alloys in the following forms: sheet, plate, foil, forging, and honeycomb core. The AC-131 application is applicable for parts subsequently finished with epoxy-based and polyurethane-based organic coatings.
AC-131 provides an excellent solvent-free alternative to achieve the high performance required in aircraft paint applications. The current surface preparation technique such as Alodine® provides acceptable surfaces for coating applications. However, the alodine process produces significant amounts of hazardous waste.
When used with the leading organic primers and topcoats, 3M AC-131 Pre-Treatment provides an economical and environmental alternative to more costly and hazardous processes. 3M AC-131 Pre-Treatment provides equivalent or better wet and dry adhesion performance to that of many of the other surface preparation techniques available. This is true of both OEM and repair/repaint (scuff and sand) applications. 3M AC-131 Pre-Treatment is simply applied to surfaces either by brush, dip or spray on at ambient drying conditions.
Surface Preparation 3M Surface Pre-Treatment AC-131 may be applied after cleaning to a ‘water-break free' surface. Alkaline cleaning will usually provide a ‘water-break free' surface. Chemical etching and deoxidizing is generally not required. Manual deoxidation can be accomplished by either Scotch-Brite pad abrasion or sanding with #180 grit or finer aluminum oxide sandpaper.
Overall Rating for 3M Aerospace AC-131 CB Clear BMS10-128A, Type I, Class A, Grade A Spec Surface Pre-Treatment
3M Aerospace AC-131 CB Clear BMS10-128A, Type I, Class A, Grade A Spec Surface Pre-Treatment
UOM : Each
Shipping Weight : 2 pounds
Manufacturer P/N :AC131PT
ECCN : EAR99
Schedule B Code : 3214.10.0010
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