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PVDF-coated corrugated steel plate is a cold-formed roofing and wall cladding material manufactured from prepainted steel coils. The substrate passes through roll-forming equipment to create consistent wave profiles, while the polyvinylidene fluoride topcoat provides a protective surface layer. This product serves as an exterior building envelope solution for industrial facilities, commercial complexes, and large-span steel structures. The corrugated profile adds structural rigidity to the thin steel sheet, allowing it to span between purlins without intermediate support.
Three substrate types are available to match different corrosion resistance requirements and budget levels:
Hot-dip galvanized steel (prepainted galvanized steel): Zinc coating provides cathodic protection, suitable for standard industrial and commercial environments
Hot-dip aluminum-zinc steel (prepainted galvalume steel): Available in 55% Al-Zn and 5% Al-Zn formulations, offering enhanced heat reflectivity
Electro-galvanized steel: Smooth surface finish, primarily used for interior applications and appliance manufacturing
Four coating formulations are offered, with PVDF as the premium-grade option:
Polyester (PE): Standard adhesion properties, broad color selection, moderate formability and outdoor durability, lower initial cost
Silicon Modified Polyester (SMP): Improved abrasion and heat resistance, enhanced chalk resistance and gloss retention
High Durability Polyester (HDP): Improved color retention and UV resistance, balanced performance-to-cost ratio
Polyvinylidene Fluoride (PVDF): Superior color retention, UV resistance, and chalk resistance; strong solvent resistance and stain resistance; limited color range; higher initial investment
Product Name | PVDF Coated Corrugated Steel Plate |
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Width | 600mm-1500mm, customizable |
Thickness | 0.12-6.00mm |
Zinc Coating Weight | 20g/m²-275g/m² |
Steel Grade | DX51D / DX52D / DX53D / DX54D / S250GD / S350GD / S550GD |
Applications | Commercial roofing, industrial wall cladding, building envelopes, appliance housings |
Quality Certification | SGS approved |
Packaging | waterproof paper is inner packing, galvanized steel or coated steel sheet is outer packing, side guard plate, then wrapped by seven steel belt. |
Surface Treatment | Galvanized PVC or color painting Transparent anti-rust oil Custom specifications accepted |
Lead Time | In 10-25 days after receipt of deposit or L/C, T/T |
The PVDF coating forms a dense polymer barrier that shields the steel substrate from UV radiation, acid rain, and salt spray. In coastal and industrial zones with elevated atmospheric corrosion, PVDF-coated panels maintain color and gloss consistency longer than PE or SMP alternatives. The underlying zinc or aluminum-zinc layer provides secondary cathodic protection at cut edges.
The corrugated profile increases the section modulus of the steel sheet, distributing wind and snow loads across the panel width. Panel thickness and wave depth are selected based on project-specific span requirements and local building codes.
Pre-cut panels install directly onto steel purlins with concealed fastener systems. The lightweight nature of the material reduces structural dead load compared to concrete or tile roofing systems, allowing for faster project completion and lower foundation costs.
PVDF corrugated steel panels are installed on factory roofs and exterior walls where long service intervals and low maintenance requirements are prioritized. The material handles temperature fluctuations and chemical exposure typical of manufacturing environments.
For shopping centers, office parks, and mixed-use developments, the PVDF finish preserves architectural aesthetics over extended periods. Custom color options allow alignment with brand identity and urban planning requirements.
Exhibition halls, sports venues, airport terminals, and transportation hubs utilize wide-format corrugated steel roofing to cover uninterrupted floor areas. The panel system accommodates curved and segmented roof geometries.
Production facilities operate more than 10 production lines supporting custom width, thickness, profile, and color specifications. Logo printing and custom packaging designs are available for branded project requirements.
Manufacturing follows a three-stage inspection sequence: incoming material quality control (IQC), in-process quality control (IPQC), and final quality control (FQC). This covers raw material verification, machine calibration, trial production runs, finished product testing, and third-party inspection coordination.
In-house logistics teams work as class-one agents for major shipping lines including MSC, MSK, APL, CMA, COSCO, OOCL, and MOL. Tracking updates are provided throughout transit until cargo arrival.
Standard specifications have lower minimum order thresholds. Custom colors and non-standard profiles require production batch minimums, which are confirmed based on the specific coating formulation and dimension requirements. Sample panels are available with sample and courier charges, which are credited against subsequent orders.
PVDF coatings demonstrate strong resistance to salt spray and atmospheric corrosion compared to polyester alternatives. For coastal projects, pairing PVDF coating with an aluminum-zinc substrate further extends service life in high-salinity environments.
The product line adheres to ASTM standards for steel substrates and coatings, and production facilities hold SGS certification. Material test reports and mill certificates are provided with each shipment for project compliance documentation.
Corrugated steel panels can be fabricated into curved and segmented configurations for arched or facaded roof designs. Formability depends on steel grade, thickness, and bend radius requirements, which are evaluated during the project quotation phase.
