3M™ Adhesion Promoter AC-135 may be applied to clean surfaces with gauze or a brush prior to application of polysulfide or polythioether sealants to metal and/or solvent resistant coatings. AC-135 allows for faster initial adhesion build rate of polysulfide and polythioether sealants to help reduce your process time. Our one component formula needs no mixing to provide easy application.
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