At Ze-tech Mold, we’re known for precision CNC machining, injection molding, and rapid prototyping — but we also understand the critical role surface decoration plays in bringing a product to life. Among the many finishing techniques available, screen printing stands out as one of the most versatile, durable, and cost-effective methods for applying high-quality graphics, labels, and functional coatings to parts. In this blog, we’ll explore everything you need to know about screen printing: its definition, key characteristics, different types, and wide-ranging applications — especially in low-volume and custom manufacturing.
What is Screen Printing?
Screen printing, also known as silk screening or serigraphy, is a printing technique where ink is forced through a mesh screen onto a substrate using a squeegee. The mesh is coated with a light-sensitive emulsion, and a stencil (created via photographic or digital exposure) blocks ink in non-image areas. Only the open mesh allows ink to pass through, creating sharp, vibrant prints.
This method dates back over 1,000 years to ancient China but was refined in the 20th century for industrial and artistic use. Today, it’s a go-to solution for printing on plastics, metals, glass, textiles, and more.
Key Characteristics of Screen Printing
Screen printing offers unique advantages that make it ideal for both functional and aesthetic applications:
| Characteristic | Benefit |
|---|---|
| High Opacity & Vibrancy | Thick ink layers ensure bold colors, even on dark substrates |
| Durability | Resistant to fading, scratching, and chemicals |
| Versatility | Prints on flat, curved, and irregular surfaces |
| Cost-Effective for Medium Runs | Low per-unit cost after initial setup |
| Thick Ink Deposit | Enables tactile, raised, or textured effects |
At Ze-tech Mold, we integrate screen printing into our post-processing workflow to deliver fully finished parts — ready for assembly or end-user application.
Types of Screen Printing
There are several variations of screen printing, each suited to specific materials and project goals:
1. Flatbed Screen Printing
- Most common type
- Used for flat surfaces (e.g., control panels, enclosures, nameplates)
- High precision and repeatability
2. Rotary Screen Printing
- For cylindrical objects (bottles, tubes, mugs)
- Continuous printing at high speed
- Ideal for packaging and consumer goods
3. Pad Printing (Indirect Screen Printing)
- Uses a silicone pad to transfer ink from a cliché
- Excellent for curved, textured, or small parts
- Common in medical devices and automotive knobs
4. UV Screen Printing
- Uses UV-curable inks
- Instant drying under UV light
- Enables multi-layer printing and glossy effects
Common Uses of Screen Printing in Manufacturing
Screen printing isn’t just for t-shirts. In precision manufacturing, it serves both functional and decorative purposes:
| Industry | Application Examples |
|---|---|
| Medical | Device labeling, symbols on syringes, control panel overlays |
| Automotive | Dashboard icons, warning labels, interior trim graphics |
| Electronics | Membrane switches, touch panel overlays, PCB legends |
| Aerospace | Instrument panels, safety markings, durable decals |
| Consumer Goods | Appliance fascias, cosmetic packaging, promotional items |
Pro Tip from Ze-tech Mold: For low-volume production, combining CNC-machined prototypes with screen-printed graphics allows rapid iteration with production-grade aesthetics.
Screen Printing vs. Digital Printing vs. Pad Printing
| Method | Best For | Min. Order | Color Accuracy | Durability |
|---|---|---|---|---|
| Screen Printing | Medium runs, bold graphics | 50–5,000 pcs | High (Pantone) | ★★★★★ |
| Digital (UV) | Full-color, low volume | 1–100 pcs | Excellent (CMYK) | ★★★★ |
| Pad Printing | Small, curved, or textured parts | 100–10,000 pcs | Good | ★★★★ |
Why Choose Screen Printing at Ze-tech Mold?
With ISO 9001:2015 certification and 15+ years of finishing expertise, Ze-tech Mold offers end-to-end support:
- In-House Screen Printing Capability
- Pantone Color Matching
- UV & Chemical-Resistant Inks
- Integration with CNC, Injection Molding & Prototyping
- Complimentary DFM Review – We optimize your design for printability
Ready to Add Professional Graphics to Your Parts?
Whether you need warning labels on medical devices, branded enclosures, or tactile buttons on control panels, screen printing delivers unmatched quality and longevity.
👉 Get an Instant Quote Today 📞 Contact Michelle Tang: 0086 18025337983
Let Ze-tech Mold handle your CNC machining + screen printing needs — from prototype to production.