This ad listing is expired.
Meet a seller in public place and be sure to pay only after collecting your item.
Learn More
It is used as a primer coat on masonry and concrete substrates to improve the adhesion of bitumen based membranes and coatings. Primer BF 4 is low in viscosity, which allows it to penetrate into the concrete pores and improve the adhesion between the membrane and the concrete surface. In addition to that, the primer also acts as a binder for the dust particles which gets accumulated on the concrete surface even after cleaning.
