Chemical Etching Printed Circuit Heat Exchanger 1800mm Titanium Etching For Aerospace

Chemical Etching 1800mm Size Titanium Etching Printed Circuit Heat Exchanger for Aerospace

The Printed Circuit Heat Exchanger (PCHE) utilizes diffusion-bonded corrosion-resistant plates

with microchannel circuits to achieve high thermal efficiency and compactness. Designed for extreme

pressures and temperatures, it serves oil/gas, energy, and chemical industries, offering durability and

space-saving advantages through its welded, plate-type architecture.

Specifications of Titanium Etching Printed Circuit Heat Exchanger :

Advantages of Etching in PCHE Manufacturing:

1. Precision Microchannel Fabrication: Enables ultra-fine, complex flow paths (<0.5mm) for maximized heat transfer efficiency and uniform fluid distribution.
2. Design Flexibility: Supports customizable channel geometries (zigzag, wavy) tailored to thermal/fluid dynamics requirements.
3. Material Integrity Preservation: Stress-free etching avoids mechanical deformation, maintaining plate strength for high-pressure operations (up to 600 bar).
4. Scalability & Consistency: Photochemical processes ensure repeatable, large-scale production of corrosion-resistant plates (e.g., stainless steel, alloys)

The production process of chemically etching PCHE: 

1) Material selection (stainless steel/titanium);

2) Surface cleaning;

3) Photoresist coating and UV masking to define flow channel patterns;

4) Exposing and Developing;

5) Chemical etching to dissolve exposed areas;

6) Post-processing (resist removal, residue neutralization);

7) Quality inspection.

Precise control of etching parameters (time, temperature, concentration) ensures uniform channel geometry for optimized gas distribution, conductivity, and corrosion resistance while maintaining structural integrity. This method supports scalable, cost-efficient mass production. 

Xinhaisen can photo etch custom different shapes PCHE / Bipolar Plate, belows are some bipolar plates we did before for reference:

How to etching custom PCHE?

1. Please send us your design.
We accept the following file formats:DWG, DXF, PDF, Step, Gerber, IGES, CorelDraw and Adobe Illustrator

2. Samples making lead time:3-10days

3. Express:By DHL, FedEx, TNT, around 3-7days.