Enamel Solution
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Building 4, Power Valley Industrial Park, Majiahe Street, Tianyuan District, Zhuzhou City, Hunan Province, China

For GGH / Enamel Tube Heater Exchanger
Our enamel powders for GGH and enamel tube heat exchangers support both dry electrostatic and wet coating processes, offering high resistance to acidic condensates, SOx, and corrosive gases in harsh industrial environments. Wet enameling provides deep, long-lasting protection, while dry enameling enables efficient large-scale application. This dual-process adaptability helps extend equipment life, reduce maintenance costs, and maintain high operational efficiency.
Product Description
Enamel Solution — For GGH / Enamel Tube Heater Exchanger
High-performance enamel powders designed for Gas-Gas Heaters (GGH) and enamel tube heat exchangers, providing superior heat resistance, corrosion protection, and smooth enamel surfaces for industrial applications. Models: GGH&Enamel Tube Heater Exchanger electrostatic enamel powders (Dry Process) and RTU enamel powder (Wet Process).
Product Range
| Model | Application | Process | Color | Firing Temp (°C) | Features |
|---|---|---|---|---|---|
| Electrostatic Enamel Powder | GGH | Dry (Electrostatic) | Blue | 840–860 | High acid resistance, thermal shock resistance |
| RTU Enamel Powder | Enamel Tube Heater Exchanger | Wet (RTU) | Blue | 840–860 | Smooth finish, excellent adhesion, AA acid resistance |
Key Features
Technical Highlights
Dry Process — Electrostatic enamel powders (GGH)
| Parameter | Specification |
|---|---|
| Appearance | Blue powder |
| Particle size | 2–3 g residue @ 200 mesh |
| Powder loading rate | >60% |
| Liquidity | >75 g/s |
| Firing temperature | 840–860 °C |
| Adhesion | Level 2 or above |
| Sulfuric acid resistance (30%) | Weight loss ≤ 2 g/m² |
| Citric acid resistance | AA grade |
| Heat shock resistance | 400 °C |
Wet Process — RTU Enamel Powder (Tube Heater Exchanger)
| Parameter | Specification |
|---|---|
| Appearance | Blue glossy powder |
| Grinding fineness | 2.0–3.0 g Bayer @ 150 mesh |
| Slip density | 173–175 g / 100 ml |
| Application type | Spraying or dipping |
| Adhesion | Grade 1–2 |
| Application thickness | 150–500 μm |
| Firing temperature & time | 840–860 °C, 5–10 min |
| Citric acid resistance | AA grade |
Applications
- Gas-Gas Heaters (GGH) in power plants
- Industrial enamel tube heat exchangers
- High-temperature and corrosive gas environments




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