PPGI Color Coated Steel Sheet
PPGI (Prepainted Galvanized) steel sheets, cut to length. Wide range of RAL colors and paint systems (PE, SMP, HDP, PVDF). Thickness 0.12-1.2mm, width 600-1250mm. Ideal for roofing, cladding, and appliances. Mill Test Certificate provided.
| Material | Prepainted Hot-Dip Galvanized Steel Sheet (GI Substrate) |
|---|---|
| Grade / Standard | TDC51D+Z / CGCC / DX51D+Z |
| Thickness | 0.12mm - 1.2mm |
| Width | 600mm - 1250mm |
| Length | 1000mm - 6000mm or as required |
| MOQ | 5 Tons per color/size |
| Delivery Time | 15-30 Days |
| Loading Port | Tianjin / Shanghai / Qingdao |
Overview of PPGI Color Coated Steel Sheet
PPGI (Prepainted Galvanized Iron) steel sheet is a durable and aesthetically versatile building material. It is produced by taking a high-quality PPGI coil, which has a galvanized steel (GI) substrate coated with layers of organic paint, and cutting it to specific lengths. This process combines the strength and corrosion resistance of galvanized steel with a decorative, factory-applied paint finish, all in a ready-to-use sheet form. Specified under standards like JIS G3312, EN 10169, and ASTM A755, PPGI sheets eliminate the need for on-site painting, offering significant savings in labor, time, and cost.
The paint system typically includes a primer and a topcoat, with options like Polyester (PE), Silicon Modified Polyester (SMP), High-Durability Polyester (HDP), and Polyvinylidene Fluoride (PVDF) to suit various environmental conditions and performance requirements. Available in a vast spectrum of RAL colors and finishes, PPGI sheets are the ideal choice for modern roofing, cladding, and manufacturing applications.
Key Features and Paint Systems
The performance of PPGI sheet is defined by its multi-layer coating system applied to a galvanized steel base. This system includes a pre-treatment layer for adhesion, a corrosion-resistant primer, and a final topcoat that provides color and environmental protection. Standard paint systems include:
– **Polyester (PE):** The most common and cost-effective option, offering good formability and a wide color range. Ideal for interior applications and moderate exterior environments. Typical warranty: 5-10 years.
– **Silicon Modified Polyester (SMP):** Enhanced with silicon for better durability and gloss retention than standard PE. Good for general exterior use like roofing and cladding. Typical warranty: 10-15 years.
– **High-Durability Polyester (HDP):** Offers superior color retention and chalking resistance, approaching the performance of PVDF at a lower cost. Excellent for high-end construction. Typical warranty: 15-20 years.
– **Polyvinylidene Fluoride (PVDF):** The premium choice, offering exceptional resistance to UV radiation, chemicals, and weathering. It maintains its color and gloss for decades, making it ideal for monumental architecture and harsh environments. Typical warranty: 20+ years.
Sheets can be supplied flat or profiled (e.g., corrugated, trapezoidal) and with a protective plastic film to prevent scratches during transport and installation.
Main Applications of PPGI Steel Sheet
PPGI sheets are used extensively across numerous industries. In the construction sector, they are a primary material for roofing sheets (corrugated and trapezoidal), wall cladding, sandwich panels, insulated panels, gutters, downspouts, and metal doors. Their consistent color and finish make them ideal for creating uniform and visually appealing building exteriors.
The home appliance industry uses flat PPGI sheets for refrigerator and freezer side panels, washing machine casings, and microwave oven exteriors. In commercial interiors, they are used for ceiling tiles, office partitions, and shelving. Other applications include fabricated products like whiteboards, electrical cabinets, and decorative panels.
Why Choose Us for PPGI Color Coated Sheet
Shandong Tanglu Metal Material Co., Ltd. is a premier supplier of high-quality PPGI sheets. We use premium hot-dip galvanized (GI) steel substrates from top-tier mills and paints from world-renowned brands like Beckers, Valspar, and KCC. Our advanced processing facilities can cut coils into sheets of any desired length with high precision. Every batch of PPGI undergoes rigorous quality control, including color matching (Delta-E), gloss measurement, paint thickness checks, T-bend tests for adhesion, and salt spray tests for corrosion performance.
We offer the full spectrum of RAL colors, custom color matching, and various paint systems (PE, SMP, HDP, PVDF). With a wide range of thicknesses (0.12mm-1.2mm) and widths (600-1250mm), we can provide the perfect cut-to-length sheets for your project. Our extensive export experience ensures reliable logistics and service, with each bundle shipped with a detailed Mill Test Certificate (MTC) and proper packaging for scratch-free delivery.
📐 Dimension & Size Table
| Thickness (mm) | Width (mm) | Length (mm) | Paint System |
|---|---|---|---|
| 0.12-0.25 | 600-1250 | 1000-6000 | PE |
| 0.25-0.40 | 600-1250 | 1000-6000 | PE, SMP |
| 0.40-0.60 | 600-1250 | 1000-6000 | PE, SMP, HDP |
| 0.60-0.80 | 600-1250 | 1000-6000 | HDP, PVDF |
| 0.80-1.20 | 600-1250 | 1000-6000 | PVDF |
* Custom sizes available upon request. Tolerances per relevant international standards.
🔬 Chemical Composition
| Element | Min | Max | Display Value | Note |
|---|---|---|---|---|
| C | - | 0.12 | ≤0.12 | Base Metal: DX51D per EN 10346 |
| Si | - | 0.50 | ≤0.50 | Base Metal |
| Mn | - | 0.60 | ≤0.60 | Base Metal |
| P | - | 0.10 | ≤0.10 | Base Metal |
| S | - | 0.045 | ≤0.045 | Base Metal |
* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.
⚙️ Mechanical Properties
| Property | Value | Unit | Test Condition |
|---|---|---|---|
| Tensile Strength | 270-500 | MPa | Base metal properties |
| Yield Strength | ≤500 | MPa | Base metal properties |
| Elongation | ≥22 | % | Base metal properties |
| Top Coat Paint Thickness | 15-25 | μm | Standard PE/PVDF top coat |
| Primer Thickness | 5-7 | μm | Standard epoxy/polyurethane primer |
| T-Bend Test | 0T - 3T | No cracking or peeling | |
| Pencil Hardness | ≥HB | ASTM D3363 | |
| Salt Spray Test (PE) | ≥500 | hours | ASTM B117, neutral |
| Salt Spray Test (PVDF) | ≥1000 | hours | ASTM B117, neutral |
* Values shown are minimum requirements unless otherwise stated.
📦 Commercial Information
| Packaging | Standard seaworthy export packing for PPGI sheets. Sheets are stacked on wooden pallets, wrapped in waterproof paper and PE film. Hardboard or metal corner protectors are used to prevent edge damage. The entire bundle is securely strapped with steel bands to the pallet. Each package is clearly labeled with product details including color, paint type, dimensions, and quantity. |
|---|---|
| Payment Terms | T/T (Telegraphic Transfer),L/C (Letter of Credit) |
| Price Term | FOB,CFR,CIF,EXW |
| Supply Capacity | 20,000 Tons/Month (PPGI & PPGL Products) |
| Loading Port | Tianjin / Shanghai / Qingdao |
Why Choose Our PPGI Color Coated Steel Sheet?
Vibrant Colors & Finishes
Available in the full RAL color spectrum and custom-matched colors. Choose from a variety of finishes including high-gloss, matte, wrinkled, and printed patterns like wood grain and brick.
Custom Cut-to-Length
Sheets are precision cut to your required length (e.g., 1000mm to 6000mm or longer), minimizing on-site work and material waste. We supply flat sheets, corrugated sheets, and trapezoidal roofing profiles.
Durable Paint Systems
Select from multiple paint systems—Polyester (PE), SMP, HDP, and PVDF—with warranties ranging from 5 to over 20 years to match your project's budget and environmental requirements.
Robust Corrosion Protection
Built on a high-quality hot-dip galvanized (GI) steel substrate (Z40-Z275), providing a strong first line of defense against corrosion before the premium paint system is even applied.
Ready for Installation
Delivered in a ready-to-use sheet form with an optional protective film to prevent scratches during transport and installation. Every bundle is delivered with a Mill Test Certificate.
🏭 Applications of PPGI Color Coated Steel Sheet
PPGI color coated steel sheets are the perfect solution for applications requiring a finished, durable, and attractive surface. They are the standard for metal roofing and wall cladding systems on industrial, commercial, and residential buildings. As flat sheets, they are used to manufacture the sleek, colorful exteriors of home appliances like refrigerators and washing machines. PPGI sheets are also used for interior applications like ceiling panels, partitions, and modular furniture, and for fabricated goods like metal doors, garage doors, and signage.
📋 Quality & Certification
Our Certifications
- ✅ ISO 9001:2015
- ✅ CE Marking
- ✅ SGS Certified
Mill Certificate Type
- 📋 EN 10204 3.1
- 📋 Original Mill Certificate
- 📋 Third Party Inspection Available
❓ Frequently Asked Questions
What is PPGI steel sheet?
PPGI stands for Prepainted Galvanized Iron. A PPGI steel sheet is a piece of galvanized steel that has been factory-painted and then cut to a specific length. It offers both the corrosion resistance of zinc and the decorative, protective finish of paint in a ready-to-use format.
What is the difference between PPGI sheet and PPGI coil?
They are the same material, but in a different form. A PPGI coil is a long, continuous strip of prepainted steel wound into a roll. A PPGI sheet is a single, flat piece that has been cut from a PPGI coil. Sheets are ordered by thickness, width, and a specific length.
What is the difference between PE, SMP, HDP, and PVDF paint?
These are different types of topcoat paint with varying levels of durability and cost:
- **PE (Polyester):** Most common, cost-effective, good for general indoor/mild outdoor use.
- **SMP (Silicon Modified Polyester):** Better durability and gloss retention than PE.
- **HDP (High-Durability Polyester):** Excellent color retention and durability, a good mid-point between SMP and PVDF.
- **PVDF (Polyvinylidene Fluoride):** The highest performance paint, offering outstanding UV and chemical resistance. Ideal for long-life architectural projects in harsh environments.
What are standard sizes for PPGI roofing sheets?
While we can cut to any length, common lengths for roofing sheets are often between 2 meters and 6 meters to facilitate handling and transport. The width is determined by the profile; for example, a 1000mm or 1200mm wide coil might be roll-formed into a roofing sheet with an effective coverage width of 840mm or 1050mm, respectively.
Can I get PPGI sheets in a corrugated or trapezoidal profile?
Yes. We can supply the PPGI material as flat sheets or process it further into standard corrugated or trapezoidal (IBR, etc.) roofing and cladding profiles. Please specify the profile type you require when making an inquiry.
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PPGI Color Coated Steel Sheet
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