PPGL & PPGI
PPGL, PPGI Coil
PPGL (Pre-Painted Galvanized Steel) and PPGI (Pre-Painted Galvanized Iron) are coated steel products that combine galvanization with a painted finish for enhanced durability and aesthetics.
Galvanization – Steel/iron is coated with zinc (hot-dip or electro-galvanized).
Chemical Treatment – Improves paint adhesion (chromate or phosphate coating).
Primer Coating – Enhances corrosion resistance.
Topcoat Painting – Applied via roller coating or spraying (polyester, PVDF, silicone-modified polyester).
Curing – Heated to harden the paint.
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