Photoresist Etching Stainless Steel VS Screen Printing Etching Stainless steel

Engraving stainless steel is a precise process that requires specialized equipment and meticulous attention to detail. This article explores the essential equipment required, estimated costs, surface treatment processes, and the selection of engraving solutions for both screen printing and photoresist wet film methods. Understanding these key elements will help you make informed decisions for your stainless steel engraving projects.

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Equipment and Cost Evaluation

For a screen printing engraving facility processing 5000 square meters per month, the following equipment is necessary:

Screen Printing Engraving Equipment

Equipment NameEstimated PriceUsage DescriptionManufacturerManufacturer Website
Cleaning line$32,000Used to clean the stainless steel surface before engraving. This ensures that any contaminants are removed, providing a clean surface for the engraving
Screen printing line$25,000Applies a screen-printed resist to the stainless steel surface, creating the desired pattern to be
Drying line$18,000Dries the screen-printed resist, preparing it for the engraving
Developing line$40,000Develops the screen-printed stainless steel by removing the unexposed resist, revealing the areas to be
Stainless Steel Engraving line$100,000The core of the process, this equipment engraves the exposed stainless steel areas using the selected engraving
Stripping line$70,000Removes the remaining resist after the engraving process, leaving behind the final engraved stainless steel
Screen Printing Engraving Equipment

Surface Treatment Processes and Equipment

Surface treatment is essential for preparing the stainless steel surface and achieving the desired finish. Here are recommended surface treatment processes and equipment:

Equipment NameEstimated PriceUsage DescriptionManufacturerManufacturer Website
Grinding machine (Automatic)$140,000Used to grind the stainless steel surface, ensuring a smooth and uniform finish before
Grinding machine (Manual)$70,000Provides a manual grinding option for smaller batches or specialized
Surface Treatment Processes and Equipment

Selection of Stainless Steel Engraving Solutions

Engraving stainless steel using chemical solutions involves careful selection of etchants. The choice depends on the specific application and desired engraving characteristics. Here are some commonly used etchants for stainless steel:

  • Copper Chloride (CuCl2) Engraving Solution: Effective for stainless steel, copper chloride provides a controlled engraving rate and is commonly used for detailed and intricate designs.

Stainless Steel Grades and Engraving Parameters

The table below lists different stainless steel grades, along with their engraving parameters and estimated results. All samples have the same thickness, width, and length for uniform comparison.

Stainless Steel GradeChemical Engraving Temperature (°C)Chemical Engraving Solution Concentration (%)Estimated Chemical Engraving Depth (µm)Chemical Engraving Quality
Stainless Steel Grades and Engraving Parameters

Screen Printing Engraving Process

The stainless steel engraving process involves several detailed steps to ensure precision and quality:


  • Step: Clean the stainless steel surface using the cleaning line.
  • Detail: This step removes all contaminants, ensuring the stainless steel is ready for further processing.

Screen Printing

  • Step: Apply resist paint using the screen printing line.
  • Detail: The screen-printed resist protects areas of the stainless steel that should not be engraved.


  • Step: Dry the resist-covered stainless steel using the drying line.
  • Detail: This ensures the resist is firmly adhered to the stainless steel surface.


  • Step: Develop the screen-printed stainless steel using the developing line.
  • Detail: This removes the unexposed resist, revealing the areas to be engraved.


  • Step: Engrave the stainless steel using the stainless steel engraving line with the selected engraving solution.
  • Detail: The engraving solution removes the exposed stainless steel, creating the desired pattern.


  • Step: Remove the remaining resist using the stripping line.
  • Detail: This leaves behind the final engraved stainless steel pattern, ready for any further processing.

Comparison of Screen Printing and Photoresist Wet Film Processes

Equipment Cost

ProcessEquipment Cost (Total)
Screen Printing Engraving$285,000
Photoresist Wet Film Engraving$320,000
Equipment Cost

Material Loss and Waste

ProcessMaterial LossWaste Management
Screen Printing EngravingModerate due to resist application and strippingRequires proper disposal of resist and developer chemicals
Photoresist Wet Film EngravingLow due to precise application and developmentRequires proper disposal of photoresist and developer chemicals
Material Loss and Waste

Production Speed

ProcessProduction SpeedFactors
Screen Printing EngravingFastEfficient for large batches, quick resist application
Photoresist Wet Film EngravingModerateHigher precision but slower due to detailed exposure and development
Production Speed


By understanding the intricacies of the screen printing and photoresist wet film engraving processes for stainless steel, including the necessary equipment, surface treatments, and engraving solutions, you can make informed decisions and achieve high-quality results in your stainless steel engraving projects. The following tables summarize the comparison:

Equipment Cost Comparison

ProcessEquipmentEstimated Price
Screen Printing EngravingTotal$285,000
Photoresist Wet Film EngravingTotal$320,000
Equipment Cost Comparison

Production and Material Comparison

ProcessMaterial LossWaste ManagementProduction Speed
Screen Printing EngravingModerateRequires disposal of resist and developer chemicalsFast
Photoresist Wet Film EngravingLowRequires disposal of photoresist and developer chemicalsModerate
Production and Material Comparison

By evaluating these factors, you can choose the best method for your specific needs, balancing cost, efficiency, and quality.

If you need a OEM factory to realize your project, please do not hesitate to contact us.

Wet Chemical Etching Company is a leading provider of wet chemical etching services, dedicated to delivering high-quality and precise etching solutions for the semiconductor, microelectronics, and precision manufacturing industries. Equipped with advanced technology and state-of-the-art equipment, our company can handle various materials and complex pattern requirements. Our professional team has extensive experience and expertise, ensuring that every project is delivered on time and meets the highest quality standards. Whether for prototype development or large-scale production, Wet Chemical Etching Company is committed to customer satisfaction, offering customized and efficient services to help your products succeed in the market.

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