DT-804 is a high-performance trivalent black passivation agent designed for zinc-plated components. It produces a deep, uniform black finish with excellent corrosion resistance and stable processing performance. The product is environmentally compliant and suitable for high-volume industrial production in automotive, fasteners, and hardware manufacturing.

Applications: • Zinc Plating • Automotive Components • Fasteners • Hardware • Industrial Components • Decorative Parts

Features: • Deep black finish • Excellent corrosion resistance • Environmental compliance • Stable processing • Uniform coverage • Suitable for high-volume production

Technical Data: Standard operating parameters; Compatible with zinc deposits