PPGL sheets are processed by coating with zinc, silicon, and aluminium. More precisely, the ingredients of the galvalume steel sheet have at least 55% aluminium and 43.5% zinc, with the rest being silicon and other elements. PPGL sheets can be used as roofing in addition to chimney pipes or ovens owing to their corrosion resistance, good heat resistance, and surface conductivity.
PPGI is pre-painted galvanized steel, also known as pre-coated steel, color coated steel etc.
Using Hot Dip Galvanized Steel Coil as the substrate, PPGI is made by first going through surface pretreatment, then the coating of one or more layers of liquid coating by roll coating, and finally baking and cooling. The coatings used including polyester, silicon modified polyester, high-durability, corrosion-resistance and formability.
We are a PPGI & PPGL manufacturer in Shandong, China. Our PPGI (Prepainted Galvanized Steel) & PPGL (Prepainted Galvalume Steel) are available in a variety of specifications.
We could also provide the product life length lasts for decades as customers required.
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PPGI steel is short for pre-painted galvanized steel. As the name implies, it uses hot-dip galvanized steel as a substrate. Then the galvanized steel is cleaned and pre-treated first to remove the oil and dust on the surface. After that, the prepared base metal is painted with layers of organic coatings, such as PE, SMP, HDP, PVDF, etc. We offers paints from different brands, such as Nippon paint, AkzoNobel paint, etc. This continuous painting process is known as the coil coating process, resulting in a multi-layered structure of PPGI steel. The layers include the base metal, zinc coating layer, pre-treatment (chemical conversion coating) layer, primer coating, and top/back coating. The structure drawing below provides a visual representation of the PPGI steel structure.
You can choose the customized color you want and produce according to the RAL color. Here are some of the colors that our customers would normally choose:
Popular Colors of PPGI Steel
| Item | PPGI Steel (pre-painted galvanized steel) |
| Substrate | Galvanized steel |
| Grades | DX51D+Z, DX52/53/54D+Z, S280GD+Z, S350GD+Z, S550GD+Z, SECC, etc. |
| Thickness | 0.13 mm-1.5 mm (stock thickness: 0.35/0.4/0.45/0.5/0.6/0.8mm) |
| Width | 600 mm-1,250 mm (stock width: 1000/1200mm) |
| Paint Types | PE, SMP, HDP, PVDF |
| Paint Thickness | Top: 10-35 μm Back: 5-14 μm |
| Colors | As per RAL Color (custom patterns are available) |
| Annually Production | 320,000 tons |
| Value-added Services | Custom sample, slitting, cutting, stamping, bending, profiling, and other |
| Package | Standard Export Package |
The annual capacity of Color-coated Line is 240,000 tons. We could manufacture top grade steel sheet in building materials plate, automobile plate, electrical appliance plate, solar energy panel, high coating and corrosion resistant plate, MATT plate and plate used for windows and doors.
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We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.
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For steel coils, we can cut one large steel coil into small steel coils for loading at seaport;
because for container shipping, each container usually loads weight can not be over 26 tons, but
each large coil is usually about 28 tons, so one large coils has to be cut into small coils,
and because the forklift usually takes 7-10 tons at seaport, so for easy loading into conatiner,
each large steel coil usually is cut into 3 small coils. For bulk vessel shipping, it usually
demands coils weight under 18 tons, so most times, also need cut one large coil into 2 small coils.
For final application, need open flat the coils and cut the coils into steel plate, so we open
flat the coils and cut the coils to steel plate to the sizes as required. For saving cost for loading
by container, load into 20 feet containers, so cut the length under 5800mm, usually as required to
cut to length 2440mm and 5800mm, width usually be 1220mm and 1500mm.after cutting the steel coils into
steel plate, we can do black paints on the surface of the plate to make the plate to be anti-rust.
Standard Export Packing:
About the sea worthy packaging: extra reinforcement before shipment to ensure that the goods are safer and less damaged to customers.
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In conclusion, PPGI steel is a versatile and durable material that can be used in a wide range of applications, from construction to automotive and appliance manufacturing. Its superior performance and aesthetic appeal make it a popular choice for architects, builders, and homeowners alike.
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