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Magnetic Sheets & Strips for Advertising & Display – Technical Support
1. What Are Advertising & Display Magnets?
Advertising and display magnets are flexible, printable magnetic materials used to turn ordinary ferromagnetic surfaces into dynamic advertising or organization tools. They are typically made of flexible ferrite rubber (PVC or CPE bonded with ferrite powder) and can be printed on directly using inkjet or screen printing.
Common forms include:
How they work:
The magnet adheres directly to any steel surface (refrigerator, whiteboard, car door, sign stand). For non‑magnetic backings (like plastic or foam board), the self‑adhesive version permanently attaches the magnetic base to the item, making it removable and repositionable.
💡 Key advantage: Unlike permanent stickers, magnetic displays can be moved, reused, and replaced without leaving residue or damaging the surface.
2. Key Features & Benefits
| Feature | Benefit for Advertising & Display |
|---|---|
| Printable surface | Accepts inkjet, screen, or offset printing – full‑color graphics, logos, text |
| Flexible & thin | Easy to cut with scissors or die‑cut; conforms to slightly curved surfaces |
| Strong magnetic hold | Holds firmly on steel; doesn’t slide or fall off during normal use |
| Reusable & removable | No adhesive residue; reposition hundreds of times |
| Self‑adhesive option | Turns any non‑magnetic item (vinyl sticker, plastic sign) into a magnetic sign |
| Weather resistant | UV‑stable and water‑resistant grades available for outdoor use (car signs, outdoor displays) |
| Certifications | RoHS, REACH, ISO 9001 – safe for promotional products and toys |
3. Technical Specifications
| Parameter | Typical Range / Description |
|---|---|
| Material | Flexible ferrite rubber (Ferrite + PVC / CPE / NBR) |
| Magnetization type | Isotropic (low cost, 400‑600 Gauss) or Anisotropic (stronger, 800‑1200 Gauss) |
| Thickness (total) | 0.3 mm – 3 mm (most common: 0.5 mm, 0.7 mm, 1.0 mm) |
| Width / sheet size | A4 (210×297 mm), A3, 300×400 mm, or custom rolls up to 620 mm wide |
| Surface finish | Matte, glossy, or textured (for better ink adhesion) |
| Adhesive backing | Optional: single‑sided permanent acrylic adhesive (peel & stick) |
| Printability | Inkjet (water‑based or solvent), UV, screen print, offset |
| Operating temperature | -20°C to +70°C (special outdoor grade: -30°C to +100°C) |
| Magnetic pull force | 20 – 80 g/cm² (depending on thickness and magnet type) |
| Certifications | RoHS, REACH, ISO 9001 |
4. Applications in Advertising & Display
🧲 Refrigerator magnets (promotional giveaways)
Key requirement: Good print quality, low cost, isotropic magnet (sufficient for vertical fridge doors).
🚗 Car & vehicle signs
Key requirement: Weather‑resistant (UV + water), anisotropic magnet for strong hold at high speed.
🏬 POP & retail displays
Key requirement: Easy to reposition, no tools needed.
🖨️ Printable magnetic media
DIY home/office: custom whiteboard magnets, chore charts
Key requirement: Smooth, ink‑receptive surface; compatible with desktop printers.
📦 Industrial & warehouse
Key requirement: Durability, oil/grease resistance (special material grade).
5. Printing & Fabrication Guide
How to print on magnetic sheets
How to cut magnetic sheets & strips
| Method | Best for |
|---|---|
| Standard scissors | Small quantities, custom shapes, A4 sheets |
| Rotary cutter / craft knife | Straight lines, rolls, larger sizes |
| Steel rule die | High‑volume production (thousands of identical shapes) |
| Laser cutter | Intricate shapes (note: strong magnets can affect some laser tables – use air assist) |
⚠️ Tip: For die‑cutting, use a steel rule die with a rubber ejection pad. Magnetic material can stick to the die – a non‑stick coating helps.
How to apply self‑adhesive magnetic sheets
Step 1: Clean the non‑magnetic item (e.g., foam board, plastic sign) with isopropyl alcohol.
Step 2: Peel off the release liner from the magnetic sheet.
Step 3: Press the adhesive side firmly onto the back of the item.
Step 4: Trim any excess magnetic material.
Result: The item now becomes a removable magnetic sign that sticks to any steel surface.
6. Installation & Usage Tips
| Do ✅ | Don't ❌ |
|---|---|
| Store magnetic sheets flat at room temperature | Expose to direct sunlight for months (causes curling) |
| Test print on a small corner first | Use a laser printer (heat can warp thin magnets) |
| Clean steel surface before attaching (remove dust/grease) | Fold the magnet sharply – it can crack |
| Use a squeegee to remove air bubbles when applying large pieces | Put near credit cards, pacemakers, hard drives |
7. Troubleshooting Common Issues
| Problem | Possible cause | Solution |
|---|---|---|
| Ink smears on printed magnet | Wrong media type (no coating) or ink not dry | Use genuine printable magnetic sheet; allow longer drying time |
| Magnet won't stick to surface | Surface not steel (aluminum, plastic, wood) | Use self‑adhesive version to attach to non‑magnetic items, or check that surface is ferromagnetic |
| Printed colors look dull | Printer settings too low | Increase print quality to "photo" or "best quality"; use OEM inks |
| Magnet curls after printing | Heat from printer or ink moisture | Flatten under a heavy book; use lower heat settings (if using a laser printer – not recommended) |
| Magnetic hold is weak | Thickness too thin or wrong magnet type (isotropic vs. anisotropic) | Use thicker sheet (≥0.7 mm) or switch to anisotropic grade |
| Outdoor sign falls off in rain | No weather protection | Use UV‑stable, water‑resistant grade; laminate printed surface |
| Die‑cut shapes stick together | Static or magnetic attraction | Use interleaving paper or powder between layers |
Still have issues? Contact our technical team with a photo and description – we usually respond within 24 hours.
8. Certifications & Quality Assurance
We manufacture advertising and display magnets in compliance with international standards.
| Certification | Applicability |
|---|---|
| ISO 9001:2015 | Quality management – consistent thickness, magnetization, and printability |
| RoHS | No restricted hazardous substances – safe for consumer goods and EU export |
| REACH | Full chemical compliance |
Quality tests performed on every batch:
9. Frequently Asked Questions (FAQ)
Q1: Can I use a regular inkjet printer to print on magnetic sheets?
Yes – but only on inkjet‑coated magnetic sheets. Standard magnetic sheets without a coating will repel water‑based ink. We offer OEM printable sheets with a special matte coating.
Q2: What’s the difference between isotropic and anisotropic for advertising magnets?
Q3: Can you make custom shapes (not just rectangles)?
Absolutely. We offer steel rule die‑cutting for any 2D shape – logos, animals, stars, bottle openers. Minimum order for custom die‑cut is typically 5,000 pieces, but lower quantities possible with shared tooling.
Q4: Do you provide a laminated/UV‑protected version for outdoor car signs?
Yes. We can laminate the printed side with clear UV‑resistant film, and we offer an outdoor‑grade magnetic compound that resists water and temperature swings.
Q5: What’s the largest sheet size you produce?
Our standard rolls are up to 620 mm wide. Length is continuous (up to 50 meters per roll). Sheet sizes can be cut to any dimension up to 620×1200 mm.
Q6: Can I get free samples?
Yes. Free samples of standard magnetic sheets are available; you pay only shipping. Custom samples (specific thickness, print coating, die‑cut shape) require a small setup fee.
Q7: What MOQ do you have for printed magnetic sheets?
For blank sheets: 500 sheets per size. For custom‑printed (full color): 2,000 sheets minimum. For die‑cut shapes without printing: 5,000 pieces.
Q8: How do I order a quote?
Please send an email us with the following:
We will reply within 24 hours with pricing and lead time.
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