It is a water-based, white anti-tannin primer based on acrylic resin dispersion.
ACUALASUR® PRIMER ATB is suitable as a primer in open-pore varnishing processes for exterior wood objects and structures, especially on hardwoods with a high tannin or extractive content.
Its great penetration guarantees deep protection against fungi and xylophagous insects, in addition to acting as a tannin blocker and other wood extractives.