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Galvanized Steel Substrate – Zinc coating provides practical corrosion protection.
Multiple Paint Systems – PE, SMP, HDP and PVDF coating options are available.
Customized Coil Supply – Thickness, width, gloss, texture and coil weight customizable.
Export Ready Service – MTC, color inspection, seaworthy packing, FOB, CIF and CFR available.
RAL 9003 PPGI is a signal white prepainted galvanized steel coil designed for roofing sheets, insulated sandwich panels, ceilings, wall cladding and prefabricated building components. It is manufactured by applying chemical pretreatment, primer, RAL 9003 top paint and protective back coating to a galvanized steel substrate.
The galvanized steel base provides forming strength and corrosion protection, while the white paint system creates a clean and versatile appearance. The finished coil can be slit, cut, corrugated, pressed and roll-formed into a wide range of construction and industrial products.
Henan GDD supplies RAL 9003 prepainted galvanized steel coils in customized thicknesses, widths, zinc coating weights, paint systems, gloss levels and surface textures. We support roofing sheet manufacturers, sandwich panel factories, ceiling panel producers, construction material distributors and international project buyers.
| Item | Specification |
|---|---|
| Product Name | RAL 9003 PPGI / Signal White Prepainted Galvanized Steel Coil |
| Color | RAL 9003 Signal White |
| Base Material | Hot Dip Galvanized Steel Coil / Zinc Coated Steel Coil |
| Steel Grade | DX51D, DX52D, DX53D, SGCC, SGCH, S280GD, S350GD, Q195, Q235 or Customized |
| Standard | EN, ASTM, JIS, GB or Customer Specification |
| Thickness | 0.12 mm – 1.20 mm or Customized |
| Width | 600 mm – 1250 mm or Customized |
| Zinc Coating | Z30 – Z275 or Customized |
| Paint System | PE, SMP, HDP, PVDF or Customized Coating System |
| Top Paint Thickness | 10 μm – 35 μm or Customized |
| Back Paint Thickness | 5 μm – 25 μm or Customized |
| Surface Finish | Glossy, Matte, Low Gloss, Wrinkled, Embossed or Customized |
| Gloss Level | Low, Medium or High Gloss According to Customer Requirement |
| Back Coating Color | White, Gray, Beige, Blue or Customized |
| Protective Film | Available According to Surface Protection and Processing Requirements |
| Coil ID | 508 mm / 610 mm or Customized |
| Coil Weight | 3 – 8 MT or Customized |
| Edge Type | Mill Edge / Slit Edge |
| Processing Service | Slitting, Cutting, Protective Film, Color Matching and Roll-forming Support |
| Inspection | MTC, Dimension Check, Zinc Coating Test, Paint Thickness Check, Color Inspection and Third-party Inspection |
| Applications | Roofing Sheets, Sandwich Panels, Ceilings, Wall Cladding, Appliance Panels, Doors and Modular Buildings |
| Packing | Standard Export Seaworthy Coil Packing |
| Trade Terms | FOB, CFR, CIF, EXW |
Available dimensions, zinc coating weights and paint specifications may vary according to production standard and order quantity. Final color, gloss and surface texture should be confirmed through an approved physical sample before mass production.
RAL 9003 PPGI is a prepainted galvanized steel coil finished in the RAL 9003 signal white color. It uses zinc-coated steel as the substrate and receives pretreatment, primer, white topcoat and protective back coating on a continuous color-coating line.
The zinc layer provides corrosion protection for the steel substrate, while the paint system delivers the required white appearance, surface protection and forming properties.
RAL 9003 is widely selected for sandwich panels, ceilings and interior building products because it provides a clean surface that works with many architectural color combinations.
RAL 9003 is commonly known as signal white. It is a clean and bright white shade used for building panels, ceilings, doors, appliance components and industrial enclosures.
The final appearance can be influenced by gloss level, surface texture, paint system, lighting and surrounding colors. A glossy finish reflects more light, while matte and low-gloss finishes provide a softer appearance.
White coatings may show small color variations more clearly than darker colors. Customers with strict visual requirements should approve a physical color card or coated metal sample before production.
Glossy RAL 9003 PPGI provides a smooth and reflective white surface. It is suitable for roofing sheets, appliance panels, garage doors, interior panels and visible construction products.
Matte RAL 9003 PPGI has reduced light reflection and a softer appearance. It is commonly used for ceiling panels, interior wall systems, architectural cladding and insulated panels.
Wrinkled PPGI has a textured paint surface that provides visual depth and can help reduce the visibility of minor handling marks.
Embossed white PPGI has a mechanically formed surface pattern. It can be used for decorative panels, ceilings, doors and specialized interior products.
Removable protective film can be applied to help prevent scratches and contamination during slitting, roll forming, handling and installation.
RAL 9003 PPGI is processed into corrugated roofing sheets, standing seam panels, roofing accessories and light-colored roof components for industrial, commercial and residential buildings.
Sandwich panel factories use signal white PPGI as the external or internal steel skin for EPS, PU, PIR and rock wool insulated panels.
Ceiling manufacturers use white PPGI for metal ceiling tiles, suspended ceiling panels, cleanroom ceilings and interior liner systems.
Wall cladding producers use RAL 9003 coil for exterior panels, interior partitions, liner sheets and prefabricated building components.
Other applications include garage doors, rolling shutters, appliance panels, electrical cabinets, modular buildings, container houses, fences and decorative steel products.
RAL 9003 provides a bright and versatile surface suitable for exterior construction, interior panels and industrial products.
The zinc-coated substrate helps protect the underlying steel against moisture and atmospheric corrosion.
PE, SMP, HDP and PVDF coatings can be selected according to environmental exposure, expected durability and project budget.
Properly specified PPGI can be slit, cut, corrugated, pressed and roll-formed into roofing sheets, ceilings and sandwich panels.
Glossy, matte, low-gloss, wrinkled and embossed finishes are available for different appearance and processing requirements.
Coil supply supports continuous panel production, automated roll-forming lines, slitting and high-volume manufacturing.
Polyester coating is a widely used and economical paint system. It provides practical color appearance, adhesion and forming performance for general roofing, ceilings and panel products.
Silicone-modified polyester provides improved weather resistance and color retention compared with standard PE coating. It can be selected for exterior building products requiring increased durability.
High-durability polyester provides improved resistance to ultraviolet exposure and weathering. It is suitable for higher-quality roofing and exterior wall systems.
PVDF coating provides strong weather resistance and color retention for demanding architectural, coastal and industrial applications.
Paint system selection should consider whether the finished product will be installed indoors or outdoors, as well as UV exposure, humidity, pollution, temperature and expected service life.
PE is suitable for many general construction and interior products. SMP and HDP can be considered for improved exterior performance, while PVDF is normally selected for demanding architectural projects.
Buyers should confirm primer type, top paint thickness, back coating, gloss level, coating flexibility, stain resistance and adhesion requirements before production.
The zinc coating beneath the paint system provides additional protection to the steel substrate. Common coating options include Z30, Z60, Z80, Z100, Z120, Z180 and Z275.
Lighter zinc coatings may be suitable for interior ceilings and lower-exposure products. Medium or heavier coatings are generally considered for roofing, external walls and outdoor construction materials.
Final coating selection should be based on installation environment, forming requirements, expected service period and customer specification.
Signal white is widely used for insulated sandwich panels because it provides a clean appearance for factories, warehouses, cold rooms, cleanrooms and modular buildings.
RAL 9003 PPGI can be used on one or both sides of EPS, PU, PIR and rock wool panels. Different steel thicknesses, paint systems and surface profiles can be selected for interior and exterior panel faces.
Customers should confirm panel production line requirements, adhesive compatibility, embossing pattern, protective film and coil width before ordering.
White PPGI is suitable for metal ceilings, liner panels and suspended ceiling systems because it provides a clean surface and helps reflect indoor lighting.
Matte or low-gloss surfaces are often selected to reduce glare. Protective film can be applied when the surface must remain clean during punching, forming and installation.
For humid interiors, food plants or cleanrooms, coating type, zinc coating and cleaning requirements should be confirmed according to the project environment.
RAL 9003 PPGI uses galvanized steel with a zinc coating as its substrate. It provides practical corrosion protection, good forming performance and economical supply for roofing, ceilings and panels.
RAL 9003 PPGL uses Galvalume steel with an aluminum-zinc alloy coating. It may provide improved heat reflectivity and corrosion resistance in certain outdoor applications.
Both products can be supplied in signal white. Selection should be based on substrate specification, exposure environment, forming method, expected service life and budget.
RAL 9003 is known as signal white and normally has a clean, neutral appearance. RAL 9010 is commonly known as pure white and may appear slightly warmer under certain lighting conditions.
The visible difference can vary depending on paint supplier, gloss level, surface texture and surrounding colors. A physical sample comparison is recommended for projects with strict color requirements.
The selected color should match the building design, existing panels and customer market requirements.
Small color differences may occur between production batches because of paint raw materials, coating thickness, gloss level and manufacturing date.
For projects where multiple coils will be installed side by side, ordering the required quantity from one confirmed production batch is recommended.
Customers with strict requirements should provide an approved RAL color card, coated steel sample or project reference sample before mass production.
White painted surfaces can make dust, oil marks, scratches and handling contamination more visible than darker colors. Clean production equipment and careful material handling are therefore important.
Protective film may be applied to reduce surface damage during slitting, roll forming and installation. Film type, adhesive strength and removal period should match the processing conditions.
Coils should be stored in a clean and dry location and protected from condensation, rainwater and corrosive chemicals.
The paint system should have suitable adhesion and flexibility for the intended profile. Tight bends, deep corrugations and complex shapes may require specific substrate and coating properties.
Roll-forming equipment should be kept clean to reduce paint scratches, pressure marks and contamination on the signal white surface.
Henan GDD can arrange customized coil width, slitting, coil weight and protective film according to customer production equipment.
Buyers should confirm the required steel grade, thickness, width, zinc coating, paint system, top paint thickness, back coating, gloss level, surface texture and coil weight.
Exterior roofing and cladding normally require more attention to weather resistance, paint durability and zinc coating. Interior ceilings and liner panels may prioritize surface appearance, cleanliness and forming performance.
For an accurate quotation, customers should also provide order quantity, acceptable tolerances, destination port and preferred trade terms.
Henan GDD supplies RAL 9003 PPGI coils to roofing sheet factories, sandwich panel manufacturers, ceiling producers, wall cladding companies and global construction material distributors.
We support customized thickness, width, steel grade, zinc coating, paint system, gloss level, surface texture, back coating, protective film, coil weight and seaworthy export packing.
From color confirmation and specification review to production, inspection, packing and loading, our team provides one-stop export support for RAL 9003 prepainted galvanized steel coil orders.
Before shipment, inspection can include steel grade, thickness, width, zinc coating, top paint thickness, back paint thickness, color, gloss, surface condition, coil ID, coil weight and packing.
Coating adhesion, bending performance, color difference, surface cleanliness, surface defects and protective film condition can also be checked according to customer specifications.
MTC, color inspection photos, product photos, packing photos, loading photos and third-party inspection support can be provided according to order requirements.
RAL 9003 PPGI coils are normally packed with waterproof paper, protective film, steel sheet covers, inner and outer edge protectors, steel straps and identification labels.
Standard export seaworthy packing helps protect the signal white painted surface from moisture, scratches, dust and impact during storage, loading and ocean transportation.
Coil orientation, pallet support, labels and shipping marks can be customized. Commercial invoice, packing list, bill of lading, MTC and certificate of origin can be provided according to the agreed trade terms.
RAL 9003 is commonly known as signal white. It is a clean white color widely used for roofing, ceilings, wall panels, sandwich panels and industrial products.
It is used for roofing sheets, sandwich panels, metal ceilings, wall cladding, garage doors, appliance panels, modular buildings and decorative steel products.
Yes. Glossy, matte, low-gloss, wrinkled and embossed RAL 9003 surfaces can be discussed according to customer requirements.
Common paint systems include PE, SMP, HDP and PVDF. The suitable option depends on installation environment, durability requirements and budget.
Yes. It is widely used as the inner or outer steel skin for EPS, PU, PIR and rock wool sandwich panels.
Yes. Signal white PPGI is suitable for ceiling tiles, suspended ceiling panels, liner sheets and cleanroom ceiling systems.
Yes. Removable protective film can be applied when additional protection is required during processing, handling or installation.
Screen settings and lighting conditions can change the visible color. A physical RAL card or coated metal sample should be approved for strict color matching.
Please provide thickness, width, steel grade, zinc coating, paint system, top paint thickness, gloss, surface finish, protective film, coil weight, quantity and destination port.
Yes. MTC, coating inspection, color photos, product photos, packing photos, loading photos and third-party inspection can be provided according to order requirements.
Looking for RAL 9003 signal white prepainted galvanized steel coils for roofing sheets, sandwich panels, ceilings or wall cladding?
Send Henan GDD your required thickness, width, zinc coating, paint system, gloss, surface texture, protective film, coil weight, order quantity and destination port. Our team will provide a professional quotation and suitable export shipping solution.