Applications of Barlog Plastics KEBABLEND M 13/26 PA12 Functional Compound, Polymer Bonded Magnet in Industrial Manufacturing

Barlog Plastics KEBABLEND M 13/26 PA12 functional compound, a high-performance polymer bonded magnet, supports advanced manufacturing in multiple sectors requiring precise magnetic assemblies. Our production controls focus on technical compatibility with segment-specific standards, formula demands, and processing stages. Below, we detail its core application fields.

1. Automotive Sensor and Actuator Manufacturing

Automotive tier suppliers integrate this PA12-based compound for multi-pole encoder wheels, position sensors, and micro electric motors. The polyamide matrix resists automotive fluids and temperature cycling, supporting magnetic flux stability over long service intervals. Manufacturers mold or injection-mold the material, directly embedding it into assemblies for anti-lock braking systems, throttle controls, and powertrain modules where magnets must maintain alignment and reliability under vibration and varying temperatures.

Industry compliance standards

• IATF 16949 Automotive Quality Management System
• ISO 16750-1 Environmental Conditions and Testing for Automotive Equipment
• RoHS Directive 2011/65/EU Restriction of Hazardous Substances
• REACH Regulation (EC) No 1907/2006

Typical usage ratio

• Filled at 60–95 wt% magnetizable ferrite powder according to required magnetic flux density
• Adjustment based on required size, field strength, and assembly mechanical requirements in the sensor

Downstream process integration

• Melt-compounded in-house or by specialized compounders
• Direct feeding to injection molding lines for insert molding over shafts, hubs, and rotors
• Magnetization in-line or post-molding using pulse-field systems

Final product types

• ABS sensor rings
• Rotary encoders for cam/crankshaft
• Electric motor rotor magnets
• Throttle and position sensor magnets

2. Industrial Automation: Stepper Motor Rotor Fabrication

Precision stepper motors for industrial automation and robotics utilize polymer bonded magnets for quiet operation and precise positioning. The consistent magnetic particle distribution in the PA12 matrix provides rotational field uniformity critical for feedback devices and actuators. The material enables over-molding onto steel cores or integration into composite stacks, ensuring thermal expansion matches as required for reliable, repeatable performance at elevated duty cycles.

Industry compliance standards

• ISO 9001 Quality Management Systems (QMS) for electromechanical products
• IEC 60034-1 Rotating Electrical Machines – Rating and Performance
• EU RoHS and Waste Framework Directive 2008/98/EC

Typical usage ratio

• Magnetic filler loadings between 70% and 90% by weight, dependent on required torque and rotor geometry
• Processing adjustments for thin-wall vs thick-wall motor rotor designs

Downstream process integration

• Pre-granulation followed by precision feed into high-cavity injection molds
• Magnetization via radial or axial multi-pole field post-mold
• Assembly with machined rotor or stator hardware

Final product types

• Hybrid stepper motor rotors
• Encoder wheels with direct signal pickup
• Pneumatic actuator magnets used in automated lines

3. Consumer Appliances: Synchronous Motor Component Production

Appliance manufacturers apply this material for synchronous motor rotors in white goods such as washing machines, dishwashers, and small home appliances. The compound’s high magnet content supports targeted flux density, while the PA12 matrix provides chemical stability against detergents and water exposure. OEMs optimize molding cycles for cost efficiency, and the engineered shrinkage characteristics enable consistent fit within stator assemblies.

Industry compliance standards

• IEC 60335-1 Household and Similar Electrical Appliances – General Requirements
• IEC 60034-1 Motor Electrical Safety and Performance
• European Commission RoHS & WEEE Directives
• UL 94 Flammability Classification

Typical usage ratio

• 65–85 wt% ferrite powders for required holding torque and device volume
• Fine-tuning for appliance-specific power ratings and reliability

Downstream process integration

• Direct molding onto rotor shafts or over-molding with plastic housings
• Post-mold magnetization to align magnetic domains for synchronous operation
• Batch QC for mechanical and magnetic parameters

Final product types

• Synchronous motor rotors for laundry appliances
• Water pump motor components
• Built-in fan and compressor drive magnets

4. Electric and Hybrid Vehicle Charging Systems: Connector and Relay Magnetics

Charging system module manufacturers employ the PA12-based magnetic compound to produce actuating magnets for high-power relays, charging connectors, and proximity detection devices in EV and HEV charging stations. Its low moisture absorption stabilizes electrical insulation properties under outdoor conditions. Processors can shape thin, precision components, ensuring reliable actuation and sensing within compact electrical assemblies.

Industry compliance standards

• IEC 61851-1 Electric Vehicle Conductive Charging Systems
• UL 2251 Plugs, Receptacles, and Couplers for Electric Vehicles
• Automotive EMC standards (UN ECE Reg. 10)
• RoHS and REACH compliance

Typical usage ratio

• Between 70% and 93% magnetic powder content, adjusted for relay response time and sensor signal strength

Downstream process integration

• Precision injection molding into valve components and switch elements
• Direct in-line magnetization or after-assembly pulse magnetization
• Mounting within sealed, weather-resistant housings

Final product types

• DC contactor actuator magnets
• Charging station Hall effect sensor inserts
• EV charging plug position detection magnets

5. Medical Device Assembly: Diagnostics and Micro-Motor Drives

Medical device manufacturers implement the compound in miniature drive systems for infusion pumps, diagnostic imaging components, and magnetic coupling devices. The PA12 structure offers excellent resistance to sterilization cycles and controlled extractables, meeting demanding biocompatibility and reliability needs. Molders can directly produce micro-motor components within ISO Class cleanroom environments, with detailed in-process statistical control.

Industry compliance standards

• ISO 13485:2016 Medical Device Quality Systems
• ISO 10993-5 Biological Evaluation of Medical Devices – Cytotoxicity
• RoHS and REACH conformity for medical electrical
• IEC 60601-1 Medical Electrical Equipment Safety

Typical usage ratio

• 67–92 wt% magnetic content, set by device torque and field requirements
• Adjustments made in line with sterilization cycles and mechanical fit

Downstream process integration

• Cleanroom-compatible compounding with medical-grade masterbatch
• Micro-injection molding for direct placement into pump or rotor assemblies
• Qualification with trace batch documentation for medical traceability

Final product types

• Infusion pump rotor magnets
• Magnetic drive couplings for disposable fluidic cartridges
• Compact fans and diagnostic imaging drive magnets