Introduction to Copier Toner Carrier Powder
At Fujian Sankexin Materials Co., Ltd, we specialize in the research, development, and production of high-quality copier toner powder carriers, delivering stable imaging performance for professional printing systems.
Our products are designed to meet the increasing demand for precision, consistency, and reliability in copier consumables. By integrating material science innovation and advanced manufacturing, Sankexin provides carriers that ensure optimal toner charging, image density, and durability-helping our partners enhance product performance and reduce production costs.
With an advanced R&D center and technical collaboration with South China University of Technology (SCUT), we have established a strong foundation of scientific innovation that drives every aspect of our carrier powder technology.




Technical Data Sheet
| Parameter | Unit | Standard Range | Description |
|---|---|---|---|
| Particle Size | μm | 40–80 | Uniform spherical morphology |
| Bulk Density | g/cm³ | 2.3–2.9 | Stable weight-to-volume ratio |
| Volume Resistivity | Ω·cm | 10⁸–10¹⁰ | Ensures consistent electrostatic charge |
| Magnetic Strength | mT | 50–70 | Balanced toner attraction |
| Coating Material | - | Proprietary resin formula | High wear resistance |
| Charge Stability | - | ±3% variation | Maintains density across environments |
| Operating Life | Prints | 200,000+ | Extended usage life comparable to OEM |
Principles of Carrier Technology

The Copier Toner Powder Carrier plays a critical role in two-component development systems, where toner and carrier particles generate and transfer electrostatic charge.
Core Functions:
Generates stable electrostatic charge through friction with toner.
Transfers toner to the photoconductor drum efficiently.
Maintains consistent toner flow during high-speed printing.
Key Trends in Carrier Development:
Reduced density and increased resistance for image uniformity.
Smaller particle size for ultra-fine image resolution.
Extended lifespan for continuous, high-speed operation.
Sankexin's Copier Toner Powder Carriers are engineered for charge stability and consistent toner delivery, performing reliably under various humidity and temperature conditions.
Research on Carrier Materials
Our carrier material research combines magnetic core development with polymer coating innovation. Using multi-phase composite technology, Sankexin achieves a perfect balance between conductivity, durability, and charge control.
Material Innovations Include:
Nano Carbon Black Modifications for enhanced charge control.
High-Performance Resin Coatings resistant to wear, heat, and chemical degradation.
Precision Particle Engineering for improved sphericity and flow dynamics.
Advanced Analytical Equipment:
Scanning Electron Microscope (SEM)
Nuclear Magnetic Resonance (NMR) Spectrometer
Gas Chromatography–Mass Spectrometry (GC–MS)
X-Ray Diffraction (XRD) System
Infrared and Raman Spectrometers
Thermal Gravimetric Analyzer (TGA)
Laser Particle Size Analyzer
Comprehensive Magnetic Measurement System
With these facilities, our R&D center ensures every batch of carrier powder meets rigorous international standards.

Carrier Evaluation
Testing and evaluation of carrier morphology, Physical and chemical properties, and abrasion resistance,the surface of the Sankexin carrier is slightly rough, allowing for faster charging and more even toner charge. The coating layer is uniform,highly wear-resistant, and has a long service life without easy aging. The physical and chemical properties are comparable to the original carrier.


Product Display

Product Range Overview:
Iron Powder Core (uncoated carrier base)
Developer(coated and ready for use)
Packaged Carrier (10 kg, 20 kg, or 200 kg options)
Visual Highlights:
Uniform particle appearance with slightly rough surfaces for enhanced charge efficiency.
High-purity ferrite core and nano resin coating ensure optimal triboelectric charging.
Production Process and Quality Control
Production Equipment:
Automated kiln sintering lines.
Spray granulation systems.
Precision coating and testing machinery.
Quality Control:
Laser particle size analysis.
SEM surface inspection.
Charge and resistivity testing in variable conditions.
Compatible Copier Brands:
Fully compatible with major copier brands, including:
Ricoh · Canon · Konica Minolta · Toshiba · Sharp · Kyocera · Xerox · Develop


Customization & Technical Service
Sankexin offers customized Copier Toner Carrier Powder solutions for global manufacturers and high-volume clients.
Customization Workflow:
Sample Evaluation – Analyze toner properties and environment.
Core Design – Tailor magnetic core materials for compatibility.
Coating Formulation – Adjust resin for optimal charging behavior.
Testing & Validation – Ensure performance under real-use conditions.
Mass Production – Stable, scalable, and repeatable output.
Service Commitment:
24-hour technical support and 48-hour issue resolution.
OEM/ODM cooperation and long-term R&D support.
Continuous improvement for evolving market needs.
FAQ
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