High-performance rare-earth magnetic powder bound in a PPS (Polyphenylene Sulfide) resin matrix for extreme temperature and chemical resistance.
Bonded NdFeB PPS Magnets is most relevant when best for material engineers who need rare-earth magnetic strength but cannot compromise on chemical and heat resistance. Typical product programs include Under-hood automotive sensors, EEV and refrigerant valve motors, and High-temperature actuator rotors, so the early review should confirm ndFeB powder oxidation protection within the PPS matrix.
Before sample tooling, align on 2D/3D drawing, material target, magnetic pattern, and sensing datum and operating temperature, vibration, media exposure, and lifetime requirement. The first acceptance check is continuous operating temperature (150°C to 180°C (depending on specific NdFeB powder and PPS grade)), because pPS ensures the molded geometry does not deform, while the specified NdFeB powder ensures the magnetic field does not permanently demagnetize at heat.
The main risk is brittle sintered magnet carried into a vibration-critical assembly; control it by review bonded magnet material and molded geometry when chipping, cracking, or adhesive failure can affect functional safety. Also review validation handoff and magnetic pattern accepted without measurable criteria before moving from prototypes to repeat production.
| Metric | Typical Range | Why It Matters |
|---|---|---|
| Continuous operating temperature | 150°C to 180°C (depending on specific NdFeB powder and PPS grade) | PPS ensures the molded geometry does not deform, while the specified NdFeB powder ensures the magnetic field does not permanently demagnetize at heat. |
| Validation handoff | Operating temperature, vibration, media exposure, and lifetime requirement | It connects Bonded NdFeB PPS Magnets design intent to sample approval, lot inspection, and production sourcing decisions. |
PPS absorbs almost no moisture and withstands higher continuous temperatures and aggressive chemicals better than PA, making it the standard for under-hood and HVAC applications.
Include 2D/3D drawing, material target, magnetic pattern, and sensing datum, operating temperature, vibration, media exposure, and lifetime requirement, and sample quantity, tooling target, annual forecast, destination, and PPAP needs. If the part is tied to automotive or safety-critical sensing, also include PPAP, traceability, and magnetic test expectations.
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Include drawing, material, pole pattern, temperature, compliance, and PPAP needs.
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