● California: aerosol tin cans need to be sorted and processed. Completely empty metal cans can be treated as recyclables, and cans with residues need to be sent to hazardous waste collection points for treatment.

According to the requirements of the pattern and the characteristics of the substrate, reasonably control the amount of ink to avoid too much or too little ink. By adjusting the ink transfer system, ensure that the ink is evenly transferred during the printing process to avoid uneven patterns.

Electrolytic tinplate refers to a steel product that is plated with a uniform layer of tin on the surface of the steel plate through the electrolytic tin plating process. Its main components are low-carbon steel substrate and tin plating layer.

Before printing, tinplate sheet needs to undergo a series of surface treatment processes to ensure the adhesion and durability of the printed pattern. These processes usually include degreasing, pickling and passivation.

The materials used to make candy tin cans vary, but the most common ones are the following: tinplate, plastic, glass, aluminum alloy, and paper materials. These materials have their own advantages and disadvantages and are suitable for candy packaging of different types and needs.