DT-815A is a professional trivalent black passivation agent specially formulated for alkaline zinc-plated components. It produces a deep black appearance with excellent adhesion and corrosion protection. The product ensures stable processing performance, making it suitable for automotive, fasteners, and hardware applications.

Applications: • Alkaline Zinc Plating • Automotive Components • Fasteners • Hardware • Stamping Parts • Industrial Metal Parts

Features: • Deep black finish • Excellent adhesion • Reliable corrosion protection • Stable processing • Uniform coverage • Easy to use

Technical Data: Standard operating parameters; Compatible with alkaline zinc deposits