Based on the queries we have seen, we bring you more detailed information about the different types of materials that are detected by the security frame.
Material | Degree of magnetic field influence | Examples of things containing material | Permeability (μ) – range |
Iron | High | Metal buttons, clasps, brooches | Several hundred to thousands |
Nickel | High | Some types of jewelry | Several hundred to thousands |
Kobalt | High | Special alloys in accessories | Several hundred to thousands |
Stainless steel | Medium to high | Watches, pendants | Close to 1 to several hundred |
Copper | Low | Decorative jewelry, zippers | Close to 1 |
Aluminium | Low | Some types of hair clips | Close to 1 |
Gold | Extremely low | Jewelry, watches | Close to 1 |
Silver | Extremely low | Jewelry, watches | Close to 1 |
Plastic | None | Buttons, decorations | Close to 1 |
Textiles | None | Clothing, fabric accessories | Close to 1 |
Further details can be found, for example, on this website.