Introduction: The Invisible Shield Protecting Modern Industries

From aerospace engines to semiconductor wafers, there’s a silent hero working behind the scenes — Boron Nitride Coating. Known as the “white graphite” for its structure and lubrication properties, Boron Nitride (BN) isn’t just another industrial material — it’s a game-changer for high-temperature protection, lubrication, and insulation.

At DOMADIA™, we specialize in advanced boron nitride coatings that perform where others fail — extreme heat, corrosive environments, and high-stress conditions. Let’s explore what makes this coating a must-have in modern industries.

Chemical Composition

  • Main Component: Hexagonal Boron Nitride (h-BN)
  • Binder Options: Silicate, phosphate, or water/alcohol-based binders
  • Additives: Anti-oxidants, dispersants, and stabilizers

The unique covalent bonding between boron and nitrogen atoms gives BN coatings their hallmark chemical inertness and stability.

Key Properties of Boron Nitride Coating

PropertyDescription
Thermal StabilityWithstands up to 1200°C in air and 2000°C in inert environments
Non-Wetting NatureMolten metals and glasses don’t adhere to it
Electrical InsulationExcellent dielectric properties
Low FrictionActs as a dry lubricant at high temperatures
Chemical InertnessResistant to most acids and molten metals
Easy ApplicationSpray, dip, or brush coating available

Applications of Boron Nitride Coating

1. Metal Casting and Foundry

BN coatings prevent molten metals — like aluminum, magnesium, or zinc — from sticking to crucibles, molds, and dies. This not only increases equipment life but also improves surface finish quality.

🔹 Used in: Die casting, molds, ladles, and casting dies.

2. Glass Manufacturing

BN coatings create non-wetting surfaces for glass molding and forming, minimizing contamination and ensuring clarity.

🔹 Used in: Glass mould release agents, float glass lines, and optical glass forming.

3. Aerospace & Defense

In jet engines and rocket nozzles, BN coatings protect components from oxidation and thermal shock — even at hypersonic temperatures.

🔹 Used in: Thermal barrier coatings, turbine parts, and nozzle insulators.

4. Electronics & Semiconductors

BN coatings are applied to wafer carriers, crucibles, and heat sinks for their excellent dielectric strength and thermal conductivity — ideal for semiconductor and LED manufacturing.

🔹 Used in: Electronic packaging, chip insulation, and high-voltage applications.

5. Lubrication in Extreme Environments

When conventional lubricants fail due to heat, BN coatings keep moving parts friction-free — ensuring longevity and operational reliability.

🔹 Used in: Forging dies, extrusion presses, and sliding mechanical parts.

Technical Specifications (Typical Range)

ParameterValue Range
Purity≥ 99% BN
Particle Size0.5 – 5 μm
Thermal ConductivityUp to 60 W/m·K
Dielectric Strength3.5 – 4.5 kV/mm
Coating Thickness10 – 50 μm
Temperature RangeUp to 2000°C (inert) / 1200°C (air)

Shapes & Forms Available

At DOMADIA™, our boron nitride coatings are available in various application-ready forms, such as:

  • Sprayable coating
  • Brush-on liquid coating
  • Dipping solutions
  • Aerosol cans
  • Customized industrial packs

Each formulation is designed for maximum adherence, minimal buildup, and easy cleaning.

Why Choose DOMADIA™ Boron Nitride Coating?

✅ High-purity formulations (≥99% BN)
✅ Excellent adhesion on metals, ceramics, and graphite
✅ Enhanced thermal & chemical protection
✅ Easy to apply and recoat
✅ Long shelf life and minimal maintenance

At DOMADIA™, every BN coating is engineered to deliver efficiency, safety, and durability — from laboratory precision tools to large-scale industrial systems.

Conclusion: The Future of Surface Protection

Boron Nitride Coating isn’t just about surface protection — it’s about performance transformation. As industries push toward higher temperatures and cleaner processes, DOMADIA™ BN coatings stand as the ultimate barrier between damage and durability.

From molten metal handling to next-generation semiconductors, the applications are limitless — and the performance unmatched.

DOMADIA™ — Engineering Tomorrow’s Surfaces, Today.

Your equipment deserves better protection and performance.

Switch to DOMADIA™ Boron Nitride Coatings — the smart choice for longer life, higher efficiency, and cleaner operations.

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Talk to: Er.Pankaj Domadia | Kairav Domadia | Aadil Domadia | Pragati Sanap | Pooja N N 

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