Primer to improve adhesion on mineral and absobent substrates (e.g. concrete, plaster, fibre cement etc.)
Airing time at least 30 minutes (max. 3 hours).
Highly film forming
Fields of application
Barrier to alkaline surfaces
Improves the adhesion of OTTO acrylic sealants on mineral materials (e. g. concrete, plaster, cellular concrete, fibre cement, gypsum), as well as on untreated wood and scumbles, on metallic substrates (e. g. anodic oxidation) and some plastics (e. g. PVC)
Improves the adhesion properties of the 2-component PU foam OTTOPUR OP 920 on heavily absorbent and silted up substrates