1results about How to "Good bonding strength" patented technology

The utility model relates to bottle cap technical field especially is a kind of bottle cap and bottle that can be heated and disinfected.The kind of bottle cap that can be heated and disinfected, including metal base layer, rustproof layer that is plated in metal base layer, passivation layer being arranged on rustproof layer, setting primer on passivation layer, printing layer being arranged on primer, protective layer being arranged in printing layer;Sealing layer injection molding is in the inside of bottle cap.Metal base layer is provided with rustproof layer as first layer rustproof measure;Rustproof layer is provided with passivation layer, as second layer rustproof measure;Bottle cap has double-layer rustproof measure, so the cutout position of bottle cap cannot rust.Simultaneously, sealing layer injection molding is in the inside of bottle cap, and the combination of this kind of structure is better, and manufacturing cost is lower, and quality is also better control.