Tin and tin-plated steel are relatively safe under normal use, but when baked at high temperatures, harmful substances may be released, especially when there are coatings or printed patterns in the can, these coatings and inks may decompose and release toxic substances at high temperatures.

Application of aerosol tin can in cosmetics: Basic care products 1. Moisturizing spray 2. Sunscreen spray Hair care products 1. Hair spray and styling spray 2. Dry shampoo spray Makeup products 1. Base spray 2. Setting spray Fragrance products 1. Perfume spray 2. Deodorant Special care products

● 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.

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.

The surface of tin cans usually has a silvery-white luster, while aluminum cans often have a silver-gray or bright silver luster. The surface of aluminum cans is smoother and more reflective.