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What Is Acid Etching

What Is Acid Etching

Acid etching is a chemical process used to prepare or decorate various materials, typically metals, glass, ceramics, and certain types of stone or concrete. It involves the use of an acid or acidic solution to remove a thin layer of material from the surface, leaving behind a textured, engraved, or patterned design.Acid etching is often employed to prepare metal surfaces for various applications, such as painting, welding, or coating. By removing a thin layer of material, it can create a roughened surface that improves adhesion and promotes better bonding of subsequent layers.

The specific acid used in the etching process depends on the material being etched. For example, hydrochloric acid, sulfuric acid, or nitric acid may be used for metal etching, while hydrofluoric acid is often used for glass etching. Safety precautions are essential when working with acids, including the use of protective equipment and proper ventilation.

Acid Etching & Manufacturing Services for Metal Parts

Be-Cu Etch Inc Offering Custom acid etching services. Materials handled include aluminum, anodized aluminum, brass, stainless steel and cold rolled steel. Etching can be done on material from 0.003 in. to 0.025 in. depth and can be color-filled. 2D graphics, text, artwork and patterns can be etched on metal substrates measuring up to 24 in. length and 36 in. width.

Etched products include tags, nameplates, signs and plaques. Etching can be done on gloss, matte, painted and satin finishes. Secondary services include assembly, deburring, forming, heat treating, painting, plating, reaming and trimming.

Markets served include aerospace, agriculture, architecture, auto, truck, transportation, chemical, electronic, food, machine tool, marine, medical, military, oil field/refinery, optical, packaging/converting and pharmaceutical. Rush services are available.ISO 9001:2000 & ISO certified full service manufacturing facility. Can manufacturer prototype through production, even in short production runs.

Acid Etching & Manufacturing

Our improved algorithm decreases acid etching quotation times by up to 90%. Most quotes are delivered within 24 hrs., depending on project details. Your customer support partner will contact you directly about your acid etching quote to ensure you’ve received it and to answer any questions you may have about your options.

Acid Etching Parts

With our Acid etching service, we can cater to both one-off prototypes and high-volume production requirements, enabling us to serve a diverse range of specialist component applications.

The Acid Metal Etching Process

Unlike electrochemical etching, which relies on an electrochemical reaction, acid metal etching involves the use of chemical solutions to dissolve or erode the metal. This process is commonly used in various industries, including aerospace, electronics, and precision engineering, for purposes such as creating parts with intricate designs, improving surface finishes, and producing high-precision components.Here’s an overview of the acid metal etching process:



The first step is to protect the areas of the metal that are not supposed to be etched. This is typically done by applying a resist material, which could be in the form of a specialized tape, ink, or a photoresist. The resist material covers the metal’s surface, leaving only the desired areas exposed.

Etching Solution

An etching solution, which is typically an acid or an acid mixture, is used to selectively remove the unprotected areas of the metal. Common etching solutions include nitric acid, ferric chloride, hydrochloric acid, or a mixture of these chemicals. The choice of etchant depends on the specific metal being etched and the desired etching rate.

Etching Process

The metal component, with the resist material and the exposed areas, is immersed in the etching solution. The etching process begins, and the acid gradually removes material from the exposed surfaces, leaving behind the protected areas. The rate of material removal can be controlled by factors such as the concentration of the etchant, temperature, and the duration of the immersion.

Rinsing and Cleaning

After the desired etching depth or pattern has been achieved, the metal component is removed from the etching solution. It is then thoroughly rinsed to stop the etching process and remove any residual chemicals. Cleaning may also involve the removal of the resist material.

Depending on the specific requirements, further processing steps, such as surface finishing, deburring, and heat treatment, may be necessary to prepare the etched part for its intended use.

Advantages of the acid metal etching process include the ability to create highly detailed and precise features, as well as the capability to work with a wide range of metals and alloys. It is also a cost-effective method for producing intricate parts in relatively large quantities.

However, acid metal etching does have some environmental and safety considerations due to the use of chemicals, so proper safety precautions and waste disposal measures must be in place when using this process. Additionally, it is mainly suitable for metals and may not be as effective on non-metallic materials.

Online Cooperate With Acid Etching Company

We are not resellers of other companies’ parts.That’s because we enjoy making a living by producing, not by earning commissions on other people’s work. We are a true Acid etching service.

Your confidential files won’t be shared with third parties.

Be-cu works with customers all over the world to bring customers ideas to life with the highest quality precision Acid etching on the planet. If you are looking for a partnership to help you apply new tools and technologies, or help you fully realize your design vision, let us help you move your business forward, contact our team ([email protected])or quote online today to get the conversation started.

Metal Etching Certification,Equipment List and Quality

We are committed to enlisting the full support of all employees to continuously improve our processes and enhance quality, thereby fulfilling our customer's needs with defect free products and services, on time and every time

  • ISO 9001:2015 certified
  • Compliance in DFARS materials sourcing requirements
  • Strict compliance with PPAP and Process FMEA
  • Fully compliant with the exacting requirements of our customers
  • ITAR registered
  • NIST cybersecurity standard compliant
  • Proprietary Patented quality systems
  • Skilled in KanBan and other customer driven quality and inventory management systems

Metal Etching Material

BE-CU is experienced in precision etching various metals, allowing customers the freedom to specify components in hundreds of different materials.

The Surface Treatment Of Metal Etching Parts

Do you want your etching parts to be more corrosion-resistant or get a specific look? Metal finishing service is a essential choice to achieve your design perfectly. BE-CU – is an accomplished finished parts manufacturer, our workers and craftsman are capable to provide precision metal etching services and a wide range of finishing services including aluminum anodizing, painting, passivation, electroplating, powder coating, polishing, black oxide, conversion coating, abrasive blasting, etc. We offers several common surface finishes to help improve functionality and aesthetics.

  •  Anodizing (Anodized)
  • Passivation
  •  Plating (Electroplating)
  •  Painting
  • Black Oxide (Hot Blackening)
  •  Polishing
  • Powder Coating
  • Heat Treatment
  • Satin Finish
  • Abrasive blasting (Sandblasting)
  • Conversion coating
  • Tungsten carbide coating

After browsing a list of metal finishing services, select a process based on essential considerations, like production time, cost-effectiveness, part tolerance, durability and applications. High-tolerance metal etching parts are not recommended to apply secondary metal surface finish, because the treatment may change the sizes of the finished part through removing or adding a small amount of materials.

Other requirements or custom designs, welcome to contact us for a free quote fast!



About BE-CU ETCH Company

Our executive team comprises industry experts who are dedicated to serving our customers with part design and technical assistance, precision metal parts, and quick turnaround times on prototypes to production runs. We continuously seek innovative solutions to meet the ever-changing industry demands of consumer trends and emerging technologies.Thank you for considering for your manufacturing needs. We look forward to working with you and exceeding your expectations. We appreciate the opportunity! A formal quote will be sent within 24-48 hrs. If would like to submit an NDA, please upload it to the quote button, or send it to [email protected].

  • Volume: 1-1000K+ Parts
  • Quoting: Within 24 Hours
  • Delivery: In As Fast As 5 Day
  • Materials: Metals And Other
  • Experience: Since 1995
  • Part Size: Ranging Custom
  • Tolerances: +/- 0.1mm
  • Price: Start From 100USD
Metal Etching Service

  • Conventional Sheet Etching
  • Roll-to-roll Continuous Etching
  • Precision Stamping
  • Die Cutting
  • PVD Coatings
  • Electroplating Process
  • 2D Printing
  • Silk Screen Printing
  • Laser Engraving
  • Laser Cutting 
  • CNC Machining
Etching Material

  • Metal Etching
  • Plastic Etching
  • Acrylic Etching
  • Stainless Steel Etching
  • Steel Etching
  • Aluminum Etching
  • Brass Etching
  • Copper Etching
  • Titanium Etching
  • Kovar Etching
  • Nikel Etching
Be-Cu Etch
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