STACPRIMER-U1-HISO is the universal primer, with a high solids content (High Solids), for the durable protection of a wide variety of structures (concrete, aluminum, wood, bricks, plastics, etc.). It combines strong adhesion, excellent chemical resistance, superior resistance to wear and impact with high flexibility and elasticity (± 30%).
STACPRIMER-U1-HISO is applied in most weather conditions, even on damp surfaces. It is standard Clear (transparent) with a smooth glossy appearance and does not contain dark fillers (e.g., no tar, MIO, or inc).
STACPRIMER-U1-HISO is a 1-component primer, based on specific aromatic polyisocyanates, which react with water, even atmospheric moisture, creating moisture-cured polyureas (see The Story of U). It is ready for application by roller, brush, and spray gun.