... materials1. Particle size:100nm300nm500nm800nm1000nm2800nm2. Purity: 99.7% 3. MagneticNano-magnetic materials application range:1. Chemical industry, plastic, textile, painting, rubber, pigment ... medical, magnetic drug carrier, sparse cell isolation, magnetic heat therapy materials, etc.6. Magnetic care materials.7. Magnetic recording material. Nano-magnetic ...