NiFe2O4, 30-40nm, 99%. Nickel Iron Oxide Nanoparticle exhibits good magnetic properties. It is used in high-density magnetic recording media. It can be used in magnetic liquid. Owing to its top-notch quality and efficacious composition, we are seeing a huge demand for the NiFe2O4, 30-40nm, 99%. Nickel Iron Oxide Nanoparticle in the marketplace. Our customers can approach us to purchase the product at a budget-friendly price.