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Thermal Spray Zinc (TSZ) Coating

Home Thermal Spray Zinc (TSZ) Coating

Corrosion Defense with Zinc’s Protective Shield

Our thermal spray zinc coating provides a reliable defense against corrosion for steel structures, pipelines, and equipment in aggressive environments. By applying a zinc-rich layer, this coating safeguards assets from rust, moisture, and chemical exposure. As part of comprehensive thermal spray coating services, it’s ideal for offshore platforms, industrial plants, and infrastructure where long-term protection is essential for safety and efficiency.

Tailored Zinc Solutions for Every Industry

We deliver specialized thermal spray zinc coating service solutions, including hvof coating services in India, designed to meet the unique needs of clients across sectors. From offshore facilities to manufacturing plants, our expert technicians use advanced high velocity oxygen fuel coating methods to ensure uniform adhesion and maximum protection. Every project is customized to meet operational requirements while adhering to global safety and performance standards.

Why Choose Us – Zinc Coating Specialists

Industrial-grade corrosion protection

Optimized for steel in harsh environments

Applied with HVOF coating methods

Certified hvof coating services in India

Reduces maintenance and downtime

Enhances structural durability

Designed for offshore and coastal use

Expert technical support throughout

Key Advantages of Thermal Spray Zinc (TSZ)

Active Sacrificial Protection: Zinc acts as a sacrificial anode, corroding itself to keep underlying steel structure safe for decades.

No Size Limitations: Unlike hot-dip bath galvanizing, TSZ can be sprayed onto structures of any size directly on-site.

Zero Thermal Distortion: Cold spraying prevents thin steel sheets, gates, and structural beams from warping under heat.

Superb Paint Adhesion: The micro-rough sprayed zinc surface acts as an excellent key for topcoats, epoxies, and primers.

Long-Term Atmospheric and Marine Protection with Zinc (TSZ) Coating

Atmospheric and marine corrosion cost industries billions of dollars annually in structural repairs and replacement parts. Thermal Spray Zinc (TSZ) coating, also known as metallizing, offers an exceptionally durable anti-corrosion barrier for steel structures. Unlike standard paint, which acts only as a physical barrier, TSZ provides both physical shielding and electrochemical galvanic protection to the underlying steel.

Applied via Twin Wire Arc Spray or Flame Wire processes, the zinc coating creates a porous layer that naturally seals itself through oxidation, providing protection for up to 30 years in harsh outdoor and marine environments. It is widely used on structural steel, bridges, offshore oil platforms, storage tanks, and piping systems. TSZ does not suffer from under-film corrosion and will not peel or blister over time.

Key Features & Technical Capabilities

Galvanic Corrosion Protection: Zinc acts as a sacrificial anode, protecting exposed steel from rusting.

30+ Years Service Life: Outlasts standard industrial paint systems by decades with zero maintenance.

No Size Limitations: Can be applied on-site to structures of any size, unlike hot-dip galvanizing.

Excellent Paint Base: Provides a textured surface that ensures superior adhesion for topcoats.

FAQs for Thermal Spray Zinc (TSZ) Coating

1. What is Thermal Spray Zinc (TSZ) coating? +

TSZ is a process where zinc wire is melted in an arc or flame gun and sprayed onto steel to provide galvanic corrosion protection.

2. How does TSZ compare to hot-dip galvanizing? +

TSZ has no part-size limits, causes no thermal wrapping or distortion, and provides a rougher surface that bonds paints better.

3. What is the lifespan of a zinc thermal spray coating? +

In atmospheric settings, a standard TSZ coating can easily protect steel structures from rust for 20 to 50 years.

4. Can zinc coating be painted over? +

Yes. It is highly recommended to seal zinc coatings with a compatible sealer or paint system for enhanced durability.

5. In which industries is TSZ most commonly used? +

It is widely used on bridges, oil platforms, wind turbine towers, marine ships, storage tanks, and structural steelworks.

6. What is the standard surface preparation required for TSZ? +

Steel surfaces must be grit-blasted to white metal standard (Sa 2.5 or Sa 3) to ensure maximum mechanical bonding.

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