1. Product Description
Pre-Painted Galvalume (PPGL) steel is a high quality coated steel product. It consists of a base steel coated with an aluminum-zinc alloy (typically 55% aluminum, 43.5% zinc, and 1.5% silicon), followed by a layer of paint. This combination provides exceptional corrosion resistance and superior durability.
2. Key Advantages of PPGL Steel
Very good Corrosion Resistance – The aluminum-zinc coating offers 3-4 times better protection than conventional galvanized steel.
Extended Durability – Designed for harsh environments, especially coastal areas and high-humidity regions.
Excellent Heat Reflection – Aluminum in the coating helps reflect heat, reducing surface temperature and enhancing energy efficiency.
Smooth & Stain-Resistant Surface – Keeps buildings clean and visually appealing.
3. Technical Specifications
Steel Strength: G350 - G550
Width Range: 762mm - 1250mm
Thickness Options: 0.20 - 0.80 mm
Standard Thickness:
APT: 0.30, 0.35, 0.40, 0.45, 0.50 (mm)
BMT: 0.28, 0.33, 0.38, 0.43, 0.48 (mm)
Coating Layer: AZ20 - AZ200 (g/m²)
Paint Systems: Polyester, Super Polyester, PVDF
Quality Standards: JIS G3322 (Japan), ASTM A792/A792M (USA), EN 10346 (Europe)
4. PPGL Production Process
1️⃣ Surface Treatment – Cleaning and degreasing the GL steel coil.
2️⃣ Primer Painting – Enhancing adhesion for the top paint.
3️⃣ Top paint – Applying the final color layer.
4️⃣ Baking & Cooling – Ensuring proper adhesion and curing.
5️⃣ Quality Inspection – Measuring paint thickness, adhesion, and corrosion resistance.
6️⃣ Coiling & Packaging – Final quality check before delivery.
5. Applications
Industrial Construction: Factories, warehouses, coastal projects.
Agriculture: Greenhouses, cold storage, livestock facilities.
Solar Energy: Mounting frames, roofing for solar panels.
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Contact: (+84) 962 935 482
