Steyer Special 2K Iso-Free Acid Etch Primer is a high-performance, fast-drying, isocyanate-free etch primer designed for direct application onto bare aluminium, brass, copper, and other non-ferrous metal surfaces. Its advanced 2K technology delivers superior adhesion, corrosion resistance, and durability — all without the use of harmful isocyanates.

Ideal for professional automotive, industrial, and engineering applications where a strong, long-lasting bond and a safe working environment are essential.

Key Features:

  • Isocyanate-free (Iso-Free) formulation – safer for the user and environment
  • 2K performance in a convenient aerosol system
  • Strong adhesion to aluminium, brass, copper, and galvanised metals
  • Corrosion-resistant and durable base coat
  • Fast drying for efficient application
  • Compatible with most topcoat systems
  • Professional-grade finish suitable for trade and industry

Colour: Grey
Finish: Matt
Application: Aerosol spray
Coverage: Approx. 2–3m² per can (depending on surface and application)
Drying Time: Touch dry in 15–20 minutes (at 20°C)
Recoat Time: After 30–60 minutes
Pack Size: 400ml

Recommended Use:
Ideal for bare aluminium, brass, copper, and other non-ferrous metals in automotive repair, fabrication, and industrial maintenance.

Directions for Use:

Ensure the surface is clean, dry, and free from grease or oxidation.

Shake can vigorously for 2–3 minutes before use.

Apply light, even coats from 20–30cm distance.

Allow to dry fully before applying the desired topcoat.