A method for manufacturing a recycled Nd-Fe-B permanent magnet comprising: demagnetizing magnetic material from a waste magnet assembly by cyclic heating and cooling of the magnetic material, fragmenting adhesives attached to the magnetic material, cracking coating layers of the magnetic material, and subjecting the magnetic material to at least one of: a) a mechanical treatment or b) a chemical treatment, to remove the coating layers and prepare the magnetic material without impurities, wherein the magnetic material from the waste magnet assembly includes (atomic%) Fe of at least 72%, Nd in the range of 7-20%, Pr of at least 2%, B of at least 5.6%, and Al of at least 0.1 %, and further includes at least one of Dy between 0 and 5%; Co between 0 and 4%; Cu between 0 and 0.3%; Tb between 0 and 2.07%; Ga between 0 and 0.19%; Gd between 0 and 1.25%; Ti between 0 and 0.14%; Zr between 0 and 0.3%; and Ni between 0 and 0.3%; fragmenting the demagnetized magnetic material to form a powder, wherein fragmenting the demagnetized magnetic material comprises removing, from the demagnetized magnetic material, particles with a particle fraction of size bigger than an average size of particles in the demagnetized magnetic material to obtain a low oxygen concentration in the demagnetized magnetic material; mixing the powder with a) a rare earth material R and b) an elemental additive A to produce a homogeneous powder, wherein the rare earth material R comprises at least one of: i) Nd, and ii) Pr, and the elemental additive A comprises at least one of: i) Co, ii) Cu, iii) Dy and iv) Fe; and sintering and magnetizing the homogenous powder to form a recycled Nd-Fe-B magnetic product. demagnetizing magnetic material from a waste magnet assembly by cyclic heating and cooling of the magnetic material, fragmenting adhesives attached to the magnetic material, cracking coating layers of the magnetic material, and subjecting the magnetic material to at least one of: a) a mechanical treatment or b) a chemical treatment, to remove the coating layers and prepare the magnetic material without impurities, wherein the magnetic material from the waste magnet assembly includes (atomic%) Fe of at least 72%, Nd in the range of 7-20%, Pr of at least 2%, B of at least 5.6%, and Al of at least 0.1 %, and further includes at least one of Dy between 0 and 5%; Co between 0 and 4%; Cu between 0 and 0.3%; Tb between 0 and 2.07%; Ga between 0 and 0.19%; Gd between 0 and 1.25%; Ti between 0 and 0.14%; Zr between 0 and 0.3%; and Ni between 0 and 0.3%; fragmenting the demagnetized magnetic material to form a powder, wherein fragmenting the demagnetized magnetic material comprises removing, from the demagnetized magnetic material, particles with a particle fraction of size bigger than an average size of particles in the demagnetized magnetic material to obtain a low oxygen concentration in the demagnetized magnetic material; mixing the powder with a) a rare earth material R and b) an elemental additive A to produce a homogeneous powder, wherein the rare earth material R comprises at least one of: i) Nd, and ii) Pr, and the elemental additive A comprises at least one of: i) Co, ii) Cu, iii) Dy and iv) Fe; and sintering and magnetizing the homogenous powder to form a recycled Nd-Fe-B magnetic product.