Rubber-bonded ferrite sheets, strips, extruded profiles and converted magnetic parts for signage, seals, sensors and high-volume consumer or industrial applications.
Rubber-bonded ferrite sheets, strips, extruded profiles and converted magnetic parts for signage, seals, sensors and high-volume consumer or industrial applications.
Flexible magnets combine ferrite magnetic powder with an elastomeric or thermoplastic binder. The binder creates the bendability and converting behavior; it also becomes the practical temperature and chemical-resistance limit.
Lower magnetic output, highly versatile multipole magnetization; signage and general holding.
Aligned magnetic powder for higher output; sensors and small motors.
Continuous shaped profiles for refrigerator/cabinet seals and custom closures.
Slit, die-cut, laminated, printed or adhesive-backed parts supplied ready for the customer line.
| Application | Typical Spec | Why this material |
|---|---|---|
| Signage & displays | Isotropic 0.5–0.85 mm sheet | Printable, cuttable, replaceable |
| Door gaskets & seals | Extruded profile | Conformable closure/sealing profiles |
| Sensor targets | Anisotropic 1.0–1.5 mm | Multi-pole proximity target |
| Toys / educational | Isotropic sheet | Low-cost printable material |
| Small motors | Anisotropic rolled ring / strip | Flexible motor magnet geometry |
| Form | Typical thickness / geometry | Surface / laminate options | Magnetization | Typical use |
|---|---|---|---|---|
| Sheet / roll | Approx. 0.2–10 mm depending on grade/process | Plain, UV coat, PVC/PET/paper, PSA | Multipole / through-thickness | Signage, labels, sensors |
| Magnetic strip | Narrow slit rolls / cut lengths | Plain or adhesive | Single-face multipole | Retail, closures, labels |
| Extruded profile | Custom cross-section | Binder / co-extruded features | Multipole / axial depending design | Door gaskets, seals |
| Die-cut part | Custom 2D geometry | Printable / adhesive / laminate | Pattern selected for function | OEM converted components |
Use the table as a selection reference. Final acceptance limits follow the approved drawing/specification and agreed test method.
| Grade Type | Br | Hc | Hci | (BH)max | Max Operating Temp |
|---|---|---|---|---|---|
| Isotropic | 1.4–1.7 kG / 140–170 mT | 1.0–1.3 kOe / 80–104 kA/m | 1.3–1.7 kOe / 104–136 kA/m | 0.5–0.8 MGOe / 4.0–6.4 kJ/m³ | 80–100°C |
| Semi-Anisotropic | 1.8–2.1 / 180–210 | 1.4–1.7 / 112–136 | 1.8–2.2 / 144–176 | 0.8–1.1 / 6.4–8.8 | 80–100°C |
| Anisotropic | 2.2–2.5 / 220–250 | 1.8–2.2 / 144–176 | 2.4–3.0 / 192–240 | 1.1–1.4 / 8.8–11.2 | 100–120°C |
| Product Form | Magnetic Grade | Surface / Lamination | Thickness | Max Width | Typical Supply |
|---|---|---|---|---|---|
| Plain magnetic sheet | Isotropic / Semi / Anisotropic | Plain / UV coating | 0.2–10 mm | up to 1,524 mm | Sheets / rolls |
| Print-Mag laminate | Isotropic / Semi / Anisotropic | PVC, PET, PP, paper | 0.3–2.0 mm | up to 1,524 mm | Rolls / sheets |
| Inkjet media | Standard / high performance | Waterproof matte / gloss | 0.35–1.0 mm | 600 mm–1.52 m | Rolls |
| Car magnet | High performance | Printed PVC/PET + backing | 0.35–1.0 mm | up to 1,000 mm | Sheets / rolls |
| Desktop / craft | Isotropic | Plain / printable / adhesive | 0.4–1.0 mm | A4 / Letter / custom | Pads / sheets |
| Process | Typical Tolerance | Notes |
|---|---|---|
| Die-cut | ±0.3 mm | Economical production shapes |
| Profile / laser cut | ±0.1 mm | Tighter custom shapes |
| Thickness | ±0.05 mm | Calendered sheet |
| Extruded profile | ±0.2 mm | Cross-section dependent |
White / colored PVC, PET, paper or acrylic pressure-sensitive adhesive.
Multi-pole on one face, through-thickness or application-specific fixture patterns.
Custom roll widths and strips for automated production lines.
Printable laminates for promotional, label and display applications.
Ferrite powder and polymer/binder are mixed for the target grade.
Sheet, roll or profile is formed to thickness and orientation.
Multipole or through-thickness pattern is applied according to the application.
PVC/PET/paper/PSA and other surfaces are applied as required.
Material is converted to roll width, strip or custom part geometry.
Thickness, dimensions, surface, magnetization pattern and holding/field requirement are verified.
CoA / magnetic-property results can include Br, Hcb, Hcj and (BH)max according to the agreed inspection plan.
Gauge, optical inspection or CMM/3D optical measurement can be used according to geometry and critical dimensions.
Before shipment, we can provide a real-time inspection video showing the product, equipment, measurement process and actual displayed data for remote customer verification.
FAI / PPAP / RoHS / REACH / traceability documents are available according to project and customer requirements.
All technical PDFs in this library are hosted locally on empiremagnets.com and use the current Ningbo Empire document identity and revision format.
They trade energy density for flexibility and processability. Anisotropic flexible materials are stronger than isotropic sheet, but rigid ferrite or rare-earth magnets are required when high field density is the priority.
Yes. They can be laminated with printable films, paper, PVC/PET and pressure-sensitive adhesives.
Yes. Flexible magnetic material can be slit, punched, die-cut, kiss-cut or profile-cut depending on geometry and volume.
The polymer binder and laminate system typically limit temperature before the ferrite powder itself does. Material/binder selection should match the real operating condition.
