is an unsaponifiable, white pigmented and solvent-based isolating and barrier primer for problematic substrates, prevents stains from penetrating subsequent coats of paint and levels different absorbent substrates, the isolating effect is excellent against nicotine, soot, oil, tar, grease, rust, water stains and fire damage , tanning agents, felt-tip pens, etc., DUROTEX has good adhesion and strengthening properties, is block-resistant and does not yellow