Achieve Reliable Adhesion to E-Coat Primers for PVC-/PMMA-Plastisols
In automotive and commercial-vehicle production, PVC and PMMA plastisols are applied as underbody coatings and seam sealants on e-coat primed metal. They are then baked, typically at 120–160 °C. Evonik's NOURYBOND® adhesion promoters improve the adhesion of these plastisols to automotive-grade primed metal surfaces—because every connection matters.
Why Choose Evonik for PVC-/PMMA-Plastisols?
- Proven Performance: NOURYBOND® adhesion promoters provide adhesion to a wide variety of automotive electrodeposition primers used on cars, trucks and buses.
- Fits Your Bake Schedule: NOURYBOND® grades are available for 30-minute cures at 130 °C or 120 °C, including for EV battery underbody coatings with short or low-temperature bakes.
- Tailored Solutions: Designed for automotive sealing and coating systems, our products adapt to your specific product and market requirements.
Solutions by Application
Automotive Sealing & Coating Systems
- NOURYBOND® – Polyamide-based adhesion promoters for PVC plastisols (typically 0.5–1.5 parts by weight). Also blocked isocyanate-based adhesion promoters for PVC and acrylic (PMMA) plastisols (typically 2.0–5.0 parts by weight), which can be used alone or with a polyamide grade.
- NOURYBOND® 316: modified polyamidoamine for underbody coatings, non-visible seam sealers and anti-chip primers, at 0.5–2.0 wt %.
- NOURYBOND® 276: polyamide-based grade for visible PVC plastisols, with high strength and the best colour stability in the polyamide range.
Your Evonik Advantage
- Reliable Quality: Viscosity and colour stability are documented for each grade. NOURYBOND® 316 has a shelf life of at least 24 months in the original sealed drum.
- Enhanced Durability: Documented Performance: Adhesion, rheology and tensile properties are evaluated for both polyamide- and blocked isocyanate-based grades to guide formulation choices.
- Expert Support: Our team of specialists partner with you to optimize formulations and processes.
Ready to Strengthen Your Adhesion Performance?
Discover how Evonik’s NOURYBOND® adhesion promoters can improve the adhesion of your PVC and PMMA plastisols to e-coat primed metal.
Contact us today or explore our solutions to start your journey toward smarter adhesion technology.