Particularly effective on flame brushed Polyolefins. 16.0 Ultimate Tg. 75 Volume Res. A good adhesive bond begins with surface preparation, the cleaner the surface to be bonded, the better the chance for a successful bond. The minimum cleaning required is an alcohol wipe.
Metals often require etching and sanding then a wash or solvent wipe.
Plastics are more individual in their surface preparation requirements. An alcohol wipe is usually sufficient for Plexiglas and ABS whereas polystyrene benefits from sanding before solvent wiping. Polyolefins respond will to flame brushing, then immediate application of the adhesive. Polycarbonates vary widely in the amount and type of additives including UV absorbers. Try alcohol wipe first, then proceed to sanding and wiping next.