TRANSTAR® Hydroflex® 1221 Super High-Build Waterborne Flexible Primer delivers professional-grade coverage for both thermoset and thermoplastic substrates. This ready-to-spray waterborne acrylic urethane formulation achieves superior fill and build with exceptional adhesion and topcoat holdout in just 1–3 coats.
Engineered specifically for the bumper recycler industry, Hydroflex® combines low odor and easy application with versatile compatibility. Top coat with water-based or solvent basecoat/clear coat systems, or single-stage enamels, urethane, and polyurethane products—consult paint company recommendations for best results.
Sand wet or dry in 1–2 hours without feather-edge tearing. Ideal for shops prioritizing speed, durability, and finish quality on plastic and composite repairs.
Engineered specifically for the bumper recycler industry, Hydroflex® combines low odor and easy application with versatile compatibility. Top coat with water-based or solvent basecoat/clear coat systems, or single-stage enamels, urethane, and polyurethane products—consult paint company recommendations for best results.
Sand wet or dry in 1–2 hours without feather-edge tearing. Ideal for shops prioritizing speed, durability, and finish quality on plastic and composite repairs.














