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Production SpecificationColor-coated coils use hot-dip galvanized steel coils as the substrate, and the color-coated steel coils are first surface pretreated, then coated with one or more layers ofliquid coatings by roller coating, and finally baked and cooled. Coatings used include poly
Product name | ppgi | ppgl |
Grade | DX51D+Z | DX51D+AZ |
Coating | Z50-Z140g/m2 (customize) | AZ30-AZ160g/m2 (customize) |
zinc | zinc and aluminum, silicone | |
Application | indoor applications where there is minimal exposure to harsh weather conditions. | suitable for outdoor applications where it will be exposed to harsh weather conditions |
Standard | JIS G3302/3312, ASTM A653 | |
Base Material | cold rolled steel | |
Thickness | 0.12mm-2.0mm generally (customized) | |
Width | 600-1500mm (1250mm,1000mm,1240mm,1500mm,914mm,750mm etc customized) | |
Paint Type | PVDF/High durability polyester(HDP)/Silicon modified polyester(SMP)/Polyester(PE)(as customer require) | |
Paint Top | 10-35 microns | |
Paint Back | 5-20 microns | |
Surface Treatment | matt wrinkle, pure color high gloss, patterned (please send us color code if you are looking for color coated ppgi or ppgl) | |
Weight | PPGL weighs less than PPGI | |
ID | 508mm/610mm | |
Weight of coil | 3-8ton | |
Moq | welcome to chat with our sales person | |
Delivery Time | 5-25 days after payment | |
Supply Ability | 20000 tons/month | |
Package | water-proof paper, moisture-proof film, iron sheet wrapped, steel belt fixed |
Color-coated coils use hot-dip galvanized steel coils as the substrate, and the color-coated steel coils are first surface pretreated, then coated with one or more layers of liquid coatings by roller coating, and finally baked and cooled. Coatings used include polyester, silicon modified polyester, high durability, corrosion resistance and formability. 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. Galvanized steel, PPGI, is coated completely with zinc. While Galvalume steel, PPGL is coated with aluminum, zinc, and a small amount of silicone.
The spray paint structure generally consists of five parts. 1) Topcoat: block the sun and prevent ultraviolet rays from damaging the coating; when the topcoat reaches the specified thickness, it can form a dense shielding film to reduce water permeability and oxygen permeability 2) Primer: It is conducive to strengthening the adhesion to the primer, making the paint film difficult to detach after water penetration, and improving corrosion resistance, because the primer contains corrosion-inhibiting pigments such as chromate, which can passivate the anode and improve corrosion resistance. 3) Coating: Generally, it is galvanized or galvalume, which has a great influence on the service life of the product. The thicker the coating, the better the corrosion resistance. 4) Substrate: Generally, it is a cold-rolled sheet, and different strengths determine the mechanical properties of the color-coated sheet. 5) Back paint: the function is to prevent the steel plate from corroding from the inside, generally a two-layer structure (2/1M or 2/2, primer + back paint). If bonding is required on the back side, a single layer construction is recommended.
What kind of spray paint is used has an impact on the performance of ppgi and ppgl, basically there are 4 types. --Polyester (PE) has good adhesion, rich colors, a wide range in formability and outdoor durability, moderate chemical resistance, and low cost. --Silicon-modified polyester (SMP), the coating film has good hardness, wear resistance and heat resistance, as well as good external durability, chalking resistance and gloss retention, general flexibility, and medium cost. --High-durability polyester (HDP), with excellent color retention and UV resistance, excellent outdoor durability and chalking resistance, good film adhesion, rich colors, and excellent cost performance. --Polyvinylidene fluoride (PVDF), has excellent color retention and UV resistance, excellent outdoor durability and chalking resistance, excellent solvent resistance and good formability, dirt resistance, but limited color, cost high.
The company mainly deals in color-coated, galvanized, stainless steel pipes, stainless steel coils, stainless steel plates of various materials; hot-rolled series of rebar, medium and heavy plates, coils, I-beams, angle steels, channel steels, H-beams and other steel products and deep processing Service. (The company’s annual inventory is more than 50,000 tons).The company adheres to the concept of “integrity first, service-oriented”, relying on the strong strength of major domestic steel groups, exerting the company’s strong resource integration capabilities, and serving and satisfying the needs of customers both in China and at abroad.Additionally, Zhishang Steel also has a powerful and professional logistics distribution system, which can provide customers with efficient, fast and flexible logistics services at any time.Our business covers Southeast Asia, the Middle East, Africa, Australia, Europe, the United States and other countries.Looking forward to the future, in order to maintain in-depth and stable cooperation with customers both at home and abroad, all employees of Zhishang Steel will work harder to provide Better products and services to create more added value for customers.