PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate. The term is an extension of GI which is a traditional abbreviation for Galvanized Iron. Today the term GI typically refers to essentially pure zinc (>99%) continuously hot dip coated steel, as opposed to batch dip processes. PPGI refers to factory pre-painted zinc coated steel, where the steel is painted before forming, as opposed to post painting which occurs after forming.
The hot dip metallic coating process is also used to manufacture steel sheet and coil with coatings of aluminium, or alloy coatings of zinc/aluminium, zinc/iron and zinc/aluminium/magnesium which may also be factory pre-painted. While GI may sometimes be used as a collective term for various hot dip metallic coated steels, it more precisely refers only to zinc coated steel. Similarly, PPGI may sometimes be used as a general term for a range of metallic coated steels that have been pre-painted, but more often refers more precisely to pre-painted zinc coated steel. Zinc coated steel substrate for PPGI is typically produced on a continuous galvanizing line (CGL). The CGL may include a painting section after the hot dip galvanising section, or more commonly the metallic coated substrate in coil form is processed on a separate continuous paint line (CPL). Metallic coated steel is cleaned, pre-treated, applied with various layers of organic coatings which can be paints, vinyl dispersions, or laminates. The continuous process used to apply these coatings is often referred to as Coil Coating.
Thickness Range: | 0.2mm to 1.2mm |
Width Range: | 600mm to 1250mm |
Coating: | Zinc coating ranging from 60g/m to 275g/m |
Paint System: | Polyester, SMP, PVDF |
Color Options: | RAL color chart available for custom color matching |
Paint Thickness | Top paint:10-30mic, Back paint: 5-25 mic |
Surface Finish: | Glossy, matte, or textured |
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About 900,000 tons.
We have some products in stock, common size or design. Also, we can produce for your order.
We are a factory, the main production and sales of steel coil, galvanized coil, color coated coil and so on
Solid colors, or patterns. Matte or glossy surface. Embossed or perforated. As per solid color, please refer to the RAL color code or send us samples. The most popular colors include traffic red (RAL 3020), sky blue (RAL 5015), moss green (RAL 6005), signal white (RAL 9003), traffic black (RAL 9017), etc. Qiaosi Steel offers more than 400+ custom patterns to choose from, such as grass, brick pattern, wood grain, camouflage, traffic sign, flowers, and so on.
FOB, CIF, CFR, and others can be provided according to your needs.
30% T/T + 70% balance before shipment.