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+86-13574208778

+86-13574208778

jack@nolifrit.com

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

High thermal shock resistance
Superior acid and alkali resistance
Smooth and uniform enamel coating
Wet & dry process compatibility
Extended service life in harsh environments

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