4.1 Magnetic Sealing:
Used in instruments, machinery, gas sealing, vacuum sealing, pressure sealing, etc.; dynamic sealing applications, featuring advantages such as low sealing fluid consumption, vibration resistance, no mechanical wear, low friction, low power consumption, no aging, self-lubrication, long service life, wide speed adaptability, simple structure, low requirements for shaft machining precision and surface finish, and reliable sealing performance.
4.2 Biomedical Field:
Magnetic nanomaterials are widely used as carriers for various anticancer drugs, forming a magnetic targeted drug delivery system. Magnetic microspheres made from magnetic nanomaterials are also extensively applied in the separation of magnetic immune cells, magnetic resonance imaging, and other fields. By leveraging the property of magnetic nanomaterials to generate heat under the influence of an external alternating electromagnetic field, they can be utilized for tumor treatment.
4.3 Magnetic Health Care
It has therapeutic and health-preserving effects on the human body. Based on this principle, products incorporating this powder can regulate bodily functions and enhance disease resistance, thereby providing medical and health benefits. The prepared water-based magnetic fluid exhibits excellent stability, remaining uniformly dispersed even after several months of storage. Therefore, the water-based magnetic fluid can be easily added to various products, similar to magnetic pigments; it can be widely used in various types of chemical fibers, plastics, rubber, etc., serving as an additive material for health and wellness products.
4.4 By utilizing the magnetic properties and deep black color of nano-Fe3O4 powder, it can be used to produce magnetic recording materials, high-gradient magnetic separators, microwave-absorbing materials, special coatings, and electrostatic photocopier developers.

5. Product Packaging: 1 kg/bag, 20 kg/barrel