HansiPrimer® PR 21 is a solvent-based primer with very low viscosity, which is used as an adhesion promoter for plastics (e.g. ABS, PC, PMMA and PP).
The primer can increase the bonding strength on plastics for water-based, solvent-based and reactive 1C and 2C Polyurethane adhesives as well as most hybrid polymer sealants ("MS Polymers") and acrylic tapes.
HansiPrimer® PR 21 is mainly used as a 1C primer in the wipe-on, wipe-off process.
Further information can be provided upon request.
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