Chemical Etching

Technical Data

Chemical Etching Parameter Specifications

Our manufacturing capabilities and precision standards for chemically etched components.

Process Capabilities

Process CapabilityPhotolithography + Chemical Etching
Max Thickness ≤ 1.5 mm
MaterialsStainless Steel, Copper, Aluminum, Nickel
Typical ProductsFilters, Precision Mesh, Electronic Components

Precision & Quality

Etching Tolerance±0.025 mm
Typical tolerance; commonly evaluated by ±10% of material thickness
Feature AccuracyDepends on material thickness, line width, and part geometry
Surface FinishingCleaning, Passivation, Electroplating
InspectionVisual inspection, dimensional inspection, and full dimensional reports available

Production & Lead Time

Lead Time5–10 business days
MOQPrototype and batch production supported
Production TypeThin metal parts, fine patterns, and precision sheet components
Tooling RequirementPhotolithography tooling or mask setup required

Technical Requirements

File FormatsDXF, DWG, PDF, STEP, IGES
Suitable PartsThin sheets, fine patterns, mesh, filters, and electronic components
ApplicationsElectronics, Semiconductors, Precision Instruments
Engineering SupportMaterial thickness and etching feasibility evaluation available

Note: Specifications are for reference only. Final tolerance, lead time, surface finish, and manufacturability depend on material, part design, quantity, and project requirements.

Our Work

Chemical Etching Product Cases

A selection of delicate chemically etched components across electronics, medical, aerospace, and jewelry industries.

Precision Encoder Disc

Brass Nameplate

Metal Mesh Filter

EMI Shielding Covers

Micro Perforated Disc

Copper Lead Frame

Instrument Dial Plate

Control Panel and Nameplate

We accept custom manufacturing based on your drawings, 3D files, or reference samples.

What We Offer

Chemical Etching Capabilities

Burr-free, stress-free precision etching for complex metal parts — ideal for thin materials, intricate geometries, and applications where accuracy and flatness are critical.

Fine Detail

Precision Etching for Complex Geometries

Chemical etching enables extremely fine features and intricate patterns that are difficult or impossible to achieve with conventional machining.

Feature sizes down to fine micro-level details
Complex patterns and high-density geometries
Consistent dimensional accuracy across parts
Ideal for precision and decorative components

Chemical etching production line with roller conveyor system

No Stress / No Heat

Stress-Free Processing with No Deformation

Unlike laser cutting or punching, chemical etching removes material without mechanical force or heat, ensuring flatness and preserving material properties.

No mechanical stress or distortion
No heat-affected zone (HAZ)
Maintains flatness and structural integrity
Ideal for thin, delicate, and precision parts

Thin and complex chemical etching parts on roller conveyor

Thin & Complex Parts

Ideal for Thin Metals & High-Consistency Production

Chemical etching is especially suitable for thin metal sheets and complex designs, delivering repeatable quality for both prototypes and batch production.

Suitable for very thin metal materials
High repeatability for batch production
Burr-free edges without secondary processing
Widely used in electronics, filters, and precision components

Why Chemical Etching Wins

Advantages of Chemical Etching

Chemical etching enables intricate, stress-free component fabrication, with uniform precision across thin materials and complex geometries unachievable by mechanical methods.

No Mechanical Stress

Cutting, punching, and stamping all apply physical force that can bend or work-harden thin metal — chemical etching removes material without touching the part.

No Heat-Affected Zone

Unlike laser cutting, chemical etching generates no heat, so there's no risk of warping, discoloration, or altered material properties along the edge.

Uniform Accuracy on Every Part

Mechanical tooling wears down over a production run, gradually shifting tolerances — chemical etching holds the same accuracy on part 1 and part 10,000.

Preserves Material Properties

Because nothing is physically deformed or thermally stressed, etched parts retain the same mechanical properties as the raw material — critical for thin or delicate components.

Our Commitment

Why Choose Tongyong

Guided by “Go Global · Co-Create,” we support global B2B customers with custom metal parts manufacturing — from engineering review and prototyping to quality control and delivery coordination.

Engineering Support

DFM review, material advice, process planning, and feasibility support based on drawings or samples.

Integrated Manufacturing

Machining, forming, casting, tooling, finishing, inspection, packaging, and delivery coordination under one workflow.

OEM & Project Support

Engineering support for product development, OEM sourcing, and repeat production projects, with NDA available.

Prototype to Production

Support for samples, low-volume trials, and batch production as projects move toward stable supply.

Quality Control

Material checks, process monitoring, dimensional inspection, surface review, and final packaging checks by project needs.

Global Delivery

Export packaging and delivery coordination for international B2B projects, with responsive communication throughout the process.

60+

CNC & Automated Production Machines

120+

Engineering, Technical & Quality Team Members

500+

Global Customers Served

20+

Years of Manufacturing Experience

Our Process

How We Bring Your Idea to Life

From first inquiry to final delivery — a streamlined, transparent process designed for efficiency.

Inquiry

Send us your drawings, specifications or application requirements.

Analysis

Our engineers evaluate feasibility and suggest optimized solutions.

Quotation

Receive a detailed quote with pricing, lead time and specifications.

Sampling

Prototype samples are produced for testing and confirmation.

Production

Mass production with strict quality control at every stage.

Delivery

Secure packaging, on-time shipment and full after-sales support.

Understanding the Process

What is Chemical Etching?

Chemical etching, also known as photochemical machining, uses chemical solutions to selectively remove material from a workpiece — without mechanical force or heat, so parts stay burr-free and stress-free.

How it works:

1. Apply a photosensitive resist coating to the metal

2. Expose it to UV light through a mask of the desired pattern

3. Develop and remove the unhardened resist

4. Immerse in an etching solution to dissolve the exposed metal