Introduction of PPGI
Pre-Painted Galvanized Steel (PPGI): Where Durability Meets Aesthetic Innovation
PPGI is an advanced engineered steel product featuring a hot-dip galvanized substrate bonded to high-performance paint systems (PVDF, HDP, or polyester) via precision continuous coil coating. This process ensures uniform, void-free adhesion while activating molecular cross-linking for enhanced resilience. The zinc layer provides sacrificial corrosion protection, resisting rust progression even at cut edges, while the pre-applied coatings deliver exceptional UV stability (20+ years color retention per ASTM D7869) and chemical resistance.
Ideal for demanding applications, PPGI excels in:
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Architectural cladding (roofing/wall systems withstand wind loads up to 160mph)
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Premium appliances (fingerprint-resistant finishes for kitchen panels)
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Automotive trim (stone-chip resistance meeting GMW14872)
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Decorative structures (custom woodgrain/metallic finishes)
Certified to ISO 1461 (galvanizing) and QUALICOAT Class 3 (coating), it reduces lifecycle costs by 30% versus post-painted alternatives through near-zero maintenance.
Mechanical properties for base material prepainted galvanised steel coil :
| No. | Tensile test |
| Yield strength | Tensile strength | Percentage elongation after fracture A% |
| Rel (MPa) | Rm (MPa) | 1.8～＜2.0 | 2.0～＜2.5 | 2.5～＜3.2 | 3.2～＜4.0 | ≥4.0 |
| SPHC |
| ≥270 | ≥29 | ≥30 | ≥31 | ≥32 | ≥32 |
| SPHD |
| ≥270 | ≥32 | ≥33 | ≥35 | ≥37 | ≥39 |
| SPHE |
| ≥270 | ≥33 | ≥35 | ≥37 | ≥39 | ≥41 |
| SS330 | ≥205 | 330～430 | ≥26 |
| SS400 | ≥245 | 400～510 | ≥21 |
| SAPH310 | ≥ |
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| SAPH370 | ≥370 | ≥255 | ≥32 |
| SAPH400 | ≥ |
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| SAPH440 | ≥ |
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Key Advantages:
1. Superior Corrosion Defense
Our PPGI combines a galvanized/Zinc-Aluminum alloy substrate with high-performance paint systems (PVDF/HDP/polyester), creating a dual-barrier protection against rust, moisture, salt spray, and industrial pollutants. Proven to withstand C4-C5 corrosivity environments (ISO 12944), it ensures structural integrity for 20+ years in coastal/industrial zones.
2. Unlimited Aesthetic Freedom
Choose from 200+ RAL/Pantone colors, diverse textures (embossed, smooth, woodgrain), and finishes (matte/semi-gloss/high-gloss). Ideal for:
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Architectural façades & premium interiors
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Brand-specific color matching (corporate identity projects)
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Design-driven applications requiring visual harmony
3. Eco-Conscious Manufacturing
Certified low-VOC (<50g/L) and solvent-free coatings meet:
✔ EU REACH / LEED v4 standards
✔ Green Building certification criteria
Reduces carbon footprint by 30% vs. conventional painted steel.
4. Lifecycle Cost Efficiency
The maintenance-free surface and 40% longer service life (vs. standard galvanized steel) deliver:
Specifications of prepainted galvanised steel coil :
Production line : Printing PPGI
Product thickness : 0.12mm-1.0mm
Product width : 800mm-1,250mm
Steel coil weight : ≤28 (t)
Steel coil inner diameter : 508mm or 610mm
Production capacity (10,000t/year) : 5
Some cases of prepainted galvanised steel coil as below:
FAQ:
Q:Are you a trading company or a manufacturer?
A:We are one of the biggest and professional manufacturer in China. Our products are hot-sale due to our superior quality, competitive price and the best after-sales service.
Q:How about the sample if I need?
A:The sample is free of charge
Q:Do you have English Mill Test Certificates?
A:Yes, we can provide MTC attached to your documents.
Q:How about the delivery time?
A:About 10-25 days after receiving the deposit. Certainly, the detail will be confirmed by the quantity and the different products.
Product Tags:
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Z275 Prepainted Galvanized Steel Coil / Sheet Color Coated Steel Hot Dipped Galvanized Steel Coil Images
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