According to laboratory measurements and literature data, the thermal conductivity of tinplate sheet is usually between 50-60 W/m·K. The specific value depends on factors such as the composition of the steel base, the thickness of the tin layer, and the manufacturing process.

The primary reason why tinplate sheet loses its gloss is the oxidation reaction on the surface. Although tin is relatively difficult to react with oxygen in the air, under certain conditions, tin will still form an oxide film, causing the surface to lose its gloss.

Tinplate sheet printing usually uses the offset printing process. This printing method uses the principle of oil-water separation to transfer the pattern to the surface of the tinplate sheet through a printing machine.

Tinplate does not have the ability to absorb ink, which means that the drying of ink depends entirely on external conditions, such as drying temperature and curing time. If the drying speed is too slow, the printed product is prone to adhesion; if it is too fast, the ink layer may be unstable, affecting the printing quality.

Tinplate is a thin steel plate with tin on the surface. Its main component is low-carbon steel, and the surface is covered with a thin layer of tin. Steel is an iron-carbon alloy, mainly composed of iron and carbon, and usually contains other elements such as manganese, silicon, phosphorus, sulfur, etc.