Metal particle tooth, forming agent and preparation method thereof and metal zipper

The invention provides a metal particle tooth, a forming agent and preparation method of the metal particle tooth and a metal zipper. The forming agent of the metal particle tooth comprises the following components of by mass part, 45-70 parts of polyformaldehyde, 20-25 parts of paraffin, 0.4-3 parts of stearic acid, 0-3 parts of high-molecular wax, 0-3 parts of palm wax, 0.1-0.6 parts of an antioxidant 1076, and 1-2 parts of epoxidized soybean oil. For the forming agent of the metal particle tooth, the polyformaldehyde and the paraffin are matched according to specific amounts to serve as base materials, the specific antioxidant 1076, the palm wax, the high-molecular wax, the stearic acid and the epoxidized soybean oil are then matched, and the palm wax, the high-molecular wax, the stearic acid and the epoxidized soybean oil are matched according to certain amounts, so that the fluidity, stability and the like of raw materials in a processing process can be effectively improved, and the strength, precision p