Tack rags are used just before painting to remove the lightest dust or dirt from what would otherwise be considered a clean, ready to paint surface.
Tack rags are used before final primer and topcoat applications. They are usually not needed when applying fairing materials or surfacers. When tacking a primer or topcoat surface, use only Deluxe Tack Rags (73009). They have the proper type and amount of resin to pick up dust without leaving contamination on the surface. Other tack rags can easily leave a residue that causes fisheyes and cratering of the topcoat.
Be careful not to use excessive hand pressure when using tack rags. A light dusting is all that is necessary, let the resin do the work. Even Deluxe Tack Rags can leave a resin on the surface if used improperly.
For more specific application guidance, please refer to the Product Datasheet
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