In the steel industry, surface coatings play a vital role in determining the durability, performance, and suitability of steel sheets for various applications. Among the most widely used coated steel products are PPGI (Pre-Painted Galvanized Iron) and PPGL (Pre-Painted Galvalume Steel). Although these two materials appear similar at first glance, their differences in composition, performance, and application make them unique choices for different environments and industries.
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