Our Company Launches PEI Injection Overmolded Magnets

 

Against the backdrop of the global injection overmolded magnet market's 5.7% CAGR growth (2025-2031 forecast), our company has achieved a breakthrough by developing high-performance PEI injection overmolded magnets (PEI: Polyetherimide). Certified to ASTM D5205-24 standards, this new product addresses industry pain points like poor high-temperature resistance and long customization cycles, while offering tailored solutions for automotive electronics, industrial motors, and more.

 

Core Advantages of PEI Injection Overmolded Magnets

Compared to conventional PA6 or PPS-based magnets, PEI injection overmolded magnets stand out with three key strengths:

 

Superior High-Temperature Stability: Maintains magnetic performance stably between -40℃ and 180℃-a 50% increase over traditional materials' 120℃ limit-ideal for EV motors and industrial pump rotors.

Ultra-High Precision: Achieves ≤0.03mm concentricity error via precision injection molding, reducing assembly gaps by 40% and boosting motor efficiency.

Durable Mechanical Strength: Enhances impact resistance by 30%, solving the cracking issue of sintered magnets.

 

To meet diverse client needs, we offer custom gray and black PEI injection overmolded magnets:

 

Matte gray (Ra≤0.8μm): Features mineral-filled formula for medical equipment (antibacterial and easy to clean).

High-gloss black (HRC 45): Uses carbon fiber reinforcement for high-end electronics' exterior integration.

 

One-Stop Service: From Design to Mass Production

We provide a full-cycle service system for PEI injection overmolded magnets, covering:

 

Demand analysis & magnetic circuit optimization (via MagNet software, cutting magnet usage by 15-20%).

Rapid prototyping: 1 week design,1 month for production delivery.

Flexible ordering: No minimum order quantity, starting at $50, lowering R&D costs for startups.

 

A leading EV component manufacturer recently cut its water pump magnet development time from 3 months to 1 month (31% cost reduction) via our service, now in mass supply.

 

Market Outlook: Targeting EV & High-End Manufacturing

As per OpenPR, the 2024 global injection-molded bonded magnet market reached $463 million, with over 40% from the automotive sector. Our PEI injection overmolded magnets have passed a top automaker's bench tests for its next-gen 800V motor rotors (1.2kg per vehicle, 25% lighter than traditional solutions).

 

In industrial automation, the product improves assembly efficiency by 22% (integrated with metal shafts/ceramic bearings), suitable for servo motors and robot joints. We've served 20+ industrial clients, with our magnets passing SGS 2000-hour aging tests (98.7% magnetic energy retention).

 

Looking ahead, we'll expand PEI injection overmolded magnet applications (food-grade/medical-grade formulas) and explore 3D-printed magnet customization, delivering more competitive magnetic solutions globally.