bonding process

There are 3 methods of bonding process: 1. Hot vulcanization bonding method: After the various parts of the shoe are pasted, they are sent to the vulcanization tank, and heated indirectly with steam or directly heated with air and steam. Bonding and molding. Among them, the outsole, bottom heel and other components are pre-molded and then pasted with other components and sent to the vulcanization tank for heating and vulcanization, which is called the secondary vulcanization method, which is a traditional process for rubber shoe production. Some cloth shoes also use this method. ②Cold bonding method: Coat the upper and sole with adhesive, and press and bond at room temperature. Now it is mostly used for leather shoes, cloth shoes and rubber shoes. ③Adhesive seam method: After the upper and the sole are cold-bonded, the periphery of the sole is stitched again to enhance the fastness between the sole and the upper.