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Color Coated Steel Coil Galvanized Steel Coil/Metal Roofing Sheets Building Materials Ppgi
PPGI (Pre-Painted Galvanized Iron) steel coil is a high-quality metal material widely used in construction and industrial applications. It is typically cold-rolled or hot-rolled steel that undergoes galvanization and is coated with one or multiple layers of colorful paint. These coatings can be polyester, silicon-modified polyester, polyvinylidene fluoride (PVDF), or other materials to achieve different performance and aesthetic requirements.
Key Features of Color Coated Steel Coil Galvanized Steel Coil/Metal Roofing Sheets Building Materials Ppgi
Weather Resistance: PPGI steel coils feature excellent weather resistance, maintaining their appearance and performance in various climate conditions. This makes them particularly valuable for outdoor applications.
Corrosion Resistance: The galvanized treatment imparts outstanding corrosion resistance to PPGI steel coils, enabling them to maintain their quality over extended periods in humid or corrosive environments.
Aesthetics: PPGI steel coils can be used to create a wide range of visual effects, from classic metallic appearances to vibrant colored coatings. This versatility makes them highly sought after in architectural design.
Processability: This material is easy to cut, bend, and shape, making it a popular choice in the manufacturing industry for a variety of applications.
Color Coated Steel Coil Galvanized Steel Coil/Metal Roofing Sheets Building Materials Ppgi Applications:
PPGI steel coils find extensive applications in several sectors, including:
Construction: Used for roofing, wall cladding, windows, doors, and other architectural elements due to their aesthetic appeal and durability.
Manufacturing: Employed in the production of household appliances, automotive components, furniture, and various other products. Its processability and corrosion resistance make it an ideal material in manufacturing.
Standard | JIS G3322 CGLCC ASTM A755 CS-B | Surface coating color | RAL colors |
Back side coatingcolor | Light grey ,white and so on | Package | export standard package or as request |
Type of coating process | Front: double coated&double drying. Back: double coated&double drying, single-coated&double drying | ||
Type of substrate | hot dipped galvanzied, galvalume, zinc alloy, cold rolled steel, aluminum | ||
Thickness | 0.16-1.2mm | Width | 600-1250mm |
Coil Weight | 3-9Tons | Inside Diameter | 508mm Or 610mm |
Zinc Coating | Z50-Z275G | Painting | Top: 15 to 25 um (5 um + 12-20 um) back: 7 +/- 2 um |
Coating introduction | Top paint: PVDF, HDP, SMP, PE, PU | ||
Prime paint: Polyurethane, Epoxy, PE | |||
Back paint: Epoxy, Modified polyester | |||
Productivity | 150,000Tons/year | ||
Production core strengths | |||
Resistance to acid rain: | |||
Coating protection mechanism: It is very easy to form acid rain in the high level of industrial emissions or pollutants environment. Acidic penetration is formed in the surface of pre-painted steel, and accelerates the corrosion, forming blistering, peeling and so on. | |||
Resistance ultraviolet rays: | |||
Coating protecting Mechanism: pre-painted sheet in ultraviolet or strong sunlight conditions, the coating will exhibit chalking degeneration, manifested as discoloration and loss of gloss, lose paint quickly. | |||
Resistance to humid heat: | |||
Coating protecting mechanism: in hot and humid environments, high osmotic pressure of water vapor accelerates penetration, forming the degeneration of painting film, then the corrosion of the substrate, with the phenomenon of bubbles and peeling. | |||
Resistance to low temperature: | |||
Coating protecting mechanisms: most of the paint can keep stable processing performance above 0 degree, but at alpine region, the temperature will be below 20-40 degree, normal paint will become brittle,bend cracking, or even lose paint, thus protection function is lost totally. |