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AluPeb® – Metal Roof Panels With Corrosion Resistance
AluPeb® panel or Roof Panel is the most innovative, super durable, and environmentally friendly product to provide superb color fastness and corrosion resistance despite severe environmental conditions.
Product Features
- Environmentally friendly product (Chromate-free)
- Good heat resistance & reflectance
- Superb color fastness and corrosion resistance
- Long-term durability.
Technical Specifications
AluPeb® consists of 5 main layers:
- Top coat: Super Polyester Paint 20 Microns which provides an anti-dust and special reflective functionalities – PebClean, also maintains the color appearance and a barrier film to enhance long-term durability.
- Primer coat: 5-micron Epoxy corrosion inhibitive primer coating to prevent undercutting of paint and enhance corrosion resistance.
- Chemical treated layer: to provide good adhesion and enhance corrosion resistance.
- Zinc-Alum (Zinc-Aluminum) steel substrate: Zinc-Aluminum coated layer 150gr/m² (that consists of 55% Al-Zn 43.4% – Si 1.6%) which is chromate-free and strongly corrosion resistant despite severe environmental conditions.
- Base metal: JIS G3322 CGLC440, or equivalent.
Superior backside coating of 12 microns.
Specialty of Zinc & Al-Zn
The Zinc has a self physical property called Cathodic reaction. Whenever any cut happens in the material the adjacent side of the zinc reacts with the external environment (air, rainwater) that forms the ZnO₂ layer on the cut edges to protect the base steel against oxidation (self-healing property).
The Aluminum has good barrier protection while the Zinc has good self-healing property. Therefore, the combination of these materials, which is Zinc-Aluminum coated layer 150gr/m², provides optimum corrosion resistance for sheeting panels.
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