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Disc Magnet 25x3mm
The round ferrite (ceramic) magnet measuring 25x3mm is a highly durable permanent magnet manufactured primarily from iron oxide and strontium carbonate. Providing a satisfying pull force of approximately 550 grams due to its wider diameter, it excels in its absolute resistance to rust and harsh weather conditions. It represents the most reliable and cost-effective choice for outdoor applications, DIY crafts, large fridge magnets, and school experiments. Sold individually.
The Ideal Combination of Size and Steady Pull
The 25x3mm ferrite disc is a classic, proven magnetic solution for everyday tasks requiring a larger contact surface. As a ceramic magnet, it offers superior resistance to corrosion and weather elements compared to neodymium, delivering a reliable and balanced pull force of 550 grams.
Key Features
- Absolute Rust Immunity: Its natural chemical composition makes it 100% waterproof, allowing for permanent outdoor use (gardens, balconies) without needing any protective coating.
- Steady Pull (550g): The expanded 25mm diameter increases the contact area, offering a secure hold for lightweight objects.
- Excellent Application: The top choice for larger souvenirs, fridge decorations, school builds, DIY projects, and hobbies.
Frequently Asked Questions (FAQ)
Are these magnets suitable for outdoor use?
Yes, absolutely. Unlike sensitive neodymium, ferrite magnets withstand the elements perfectly. They will not oxidize or rust, even if they are continuously exposed to rain or sun.
What weight can this magnet (25x3mm) hold?
Its pull force is estimated at 550 grams under ideal contact conditions. Although it has a large diameter, the magnetic field of ferrite is milder than neodymium. It is perfect for securely holding cardboard, menus, or for gluing to the back of clay and wooden crafts.
Technical Specifications
| Material | Ferrite (Ceramic) |
| Shape | Round Disc |
| Dimensions | Diameter 25mm x Thickness 3mm |
| Estimated Pull Force | ~550 gr |
- Thickness
- 3mm
- Diameter (mm)
- 25mm
- Magnet Type
- Ferrite