Industrial Pad Printing Services

One-stop CNC integrated pad printing for 3D curved parts, ISO13485 certified with biocompatible ink for medical, automotive and electronic component marking.

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ISO 14001:2015       ISO 9001:2015        IATF 16949:2016

Pad Printing Production Overview

CustomParts-MFG delivers professional precision pad printing marking service complying with ASTM D3359 adhesion standard, ISO9001 and ISO13485 medical certification. As an indirect silicone offset printing technology, pad printing transfers precise patterns onto curved, concave, spherical and irregular 3D surfaces unavailable for screen printing. Equipped with standard, closed-loop, laser-cliché and multi-color indexing production lines, we supply common, biocompatible and conductive functional inks. Our pad printing integrates seamlessly with in-house CNC machining and surface finishing procedures to serve automotive, medical, consumer electronics and industrial equipment globally.

Your precision parts consistently deliver flawless pad printing results, greatly enhancing our production quality and efficiency.

Mr. Nanton ,Manager of Manufacturer Company

Five Core Pad Printing Process Categories & Application Features

Standard Pad Printing

Cost-effective solution for flat and mildly curved components with regular ink layer thickness for general logo and specification marking.

Laser-Engraved Cliché Pad Printing

Laser-etched steel/polymer plate delivers ultra-fine definition and extended service life for high-volume long-run mass production.

Closed-Loop Ink Cup Pad Printing

Sealed ink cup design reduces solvent volatilization, stabilizes ink viscosity to guarantee consistent marking effect across entire batches.

Multi-Color Index Pad Printing

Indexed positioning fixture enables sequential 2~4 color overlay printing for brand decorative multi-graphic marking.

Conductive Functional Pad Printing

Special conductive ink formulation for electronic circuit traces and EMI shielding layer on membrane switches and miniature electronic parts
Ink Types & Performance Features of Pad Printing

Ink Types & Performance Features of Pad Printing


  • Standard UV/Solvent Ink: Fast curing, excellent abrasion & chemical resistance for conventional industrial component marking.
  • Medical-Grade Biocompatible Ink: Non-toxic compliant formula for disposable syringes, surgical cutters and implant accessory marking.
  • Functional Conductive/Insulating Ink: Custom-made for electronic component circuit and insulation layer printing.
  • Pantone Color Matching Ink: Strict color calibration to meet customized brand color requirements.


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Pad Printing Compatible Substrate Materials


  • Plastics: ABS, PC, PP, PVC, PE and high-performance engineering plastics including PEEK & Nylon;
  • Metals: Anodized aluminum, carbon steel, stainless steel, brass and pre-coated metal parts;
  • Others: Silicone rubber, glass, industrial ceramic, carbon fiber composite materials.


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Pad Printing Compatible Substrate Materials
Standard Full In-House Pad Printing Production Flow

Standard Full In-House Pad Printing Production Flow

 Pre-Production DFM & Artwork Development

Engineer optimize printing position, design custom fixture; digital artwork output and cliché plate etching according to customer vector file.

Pre-Treatment Surface Cleaning

Ultrasonic degreasing or micro-blasting to eliminate surface grease and contaminants for reliable ink adhesion.

Controlled Pad Printing Operation

Select silicone pad hardness and printing pressure based on part curvature; adopt matched printing equipment.

UV/Ambient Air Curing

Targeted curing method to finish ink crosslinking and solidification.

Full In-Lab QC Inspection

ASTM D3359 cross-hatch adhesion test, abrasion resistance and Pantone color verification inside metrology lab.

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Pad Printing Core Industry Application Fields


  • Medical Devices: ISO13485 compliant marking for syringes, catheters and various surgical instruments with biocompatible ink.
  • Automotive & EV: Interior control buttons, dial scales, trim parts and underhood component identification marking.
  • Consumer Electronics: Earphone shells, remote keypads, mobile phone bezels and household appliance logos.
  • Industrial Equipment: Control panel scales, gauges, hydraulic connector specification markings.
  • Sport & Toy Goods: Custom graphics for golf balls, safety helmets and plastic toy accessories.


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Pad Printing Core Industry Application Fields
One-Stop Integrated Service Advantages

One-Stop Integrated Service Advantages

  • Full vertical production chain: Raw material → CNC machining → surface pretreatment → pad printing → post assembly → finished packaging under single PO management.
  • Flexible order policy: Zero MOQ for prototype trial and automated equipment for large batch mass production with stable lead time.
  • Custom variable data printing: Real-time serial number, batch code and production date JIT marking based on stock parts.
  • Complete batch certification: COC inspection report and ink performance test document delivered per shipment.

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Integrated Production Chain Collaboration Mechanism

  • Unified single-source manufacturing: Embed pad printing into the whole component production workflow from CNC processing to finished packaging
  • Co-designed multi-purpose tooling: Fixtures compatible with both CNC machining and pad printing to remove secondary alignment steps
  • JIT inventory printing: Mark variable lot codes, serial numbers and production dates directly on finished stocked parts
  • Seamless post-print processing: Direct transition to secondary assembly, laser engraving or protective coating without outsourcing delays

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Integrated Production Chain Collaboration Mechanism

FAQs About Pad Printing

What is industrial pad printing?

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A: Indirect silicone offset gravure printing transferring 2D graphics onto irregular curved, concave 3D workpiece for permanent part marking.

What’s the printable dimension range?

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A: Covers ultra-small marking area below 1mm up to maximum 300mm for diverse size precision components.

How to guarantee stable batch color consistency?

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A: Standard Pantone ink mixing system, constant-temperature production environment and periodic online quality sampling inspection.

Difference between pad printing and screen printing?

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A: Pad printing fits deep recess & complex curved tiny parts; screen printing suits large flat/cylindrical surface with thick ink coating.

What industries commonly use Pad Printing for their components?

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A: Pad printing is essential in automotive, medical device, electronics, consumer appliances, tool manufacturing, promotional products, and any industry requiring permanent, high-quality marking on engineered parts and components.


Required information for quotation?

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A: Part material, surface finish condition, CAD/artwork file, Pantone color code and annual production quantity; physical sample is preferred.

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