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Once the graphics are finalized, manufacturers move to the creation of the tin boxes themselves. The process involves cutting and shaping sheets of steel, which are coated with a layer of tin to prevent rusting and ensure durability. The pieces are then pressed into shape and assembled—usually featuring a hinged lid and a sturdy handle, reminiscent of the lunch boxes popularized in the mid-20th century.
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However, there are scenarios where a rougher surface may be beneficial. In construction applications, for example, a rougher galvanized surface can provide improved bonding with paints and other coatings, ensuring durability and protection against corrosion over time. Moreover, in certain industrial applications, increased roughness can enhance mechanical properties such as resistance to wear and tear.
roughness of galvanized iron factories
