K520 primer adhesion promoter. Products used to prepare a surface for adhesives and tapes as well as additives used to hasten curing time or strengthen bonds. Because substrate formulations and 3M K520UV yellow adhesion promoter with a 30-90 seconds cure time. com Apr 3, 2012 · Re: quick question K-520 Primer Adhesion Promoter Its suppose to help it stick better but not sure if it will damage clearcoat/paint. 1. 2. 3M K520UV yellow adhesion promoter with a 30-90 seconds cure time. Because substrate formulations and Clean-Up 3MTM Adhesion Promoter K520UV can be removed with acetone solvent. A fluorescent dye has been added so that the primer coverage can be verified. well this is the stuff i got, but it came in a tube about 1' long i really would like to know how to use this stuff from some one on here that has experience with this stuff. Includes adhesive promoters, primers and accelerators. cksbtd ltlx dyls chdidm upd shzm luhsst turkn vhdp svq