Value Added Sevices
Frequently Asked Questions
The following questions reflect common technical concerns from export-oriented construction manufacturers. These buyers focus on corrosion performance comparison, paint durability, and environmental suitability for long-term projects.
How does PPGL differ from PPGI?
PPGL uses an aluminum-zinc coated substrate, while PPGI uses a zinc-coated substrate. PPGL typically provides improved corrosion resistance in more aggressive environments.
Is PPGL suitable for coastal projects?
Yes. The aluminum component in the substrate improves barrier protection, making PPGL suitable for coastal and high-humidity areas when properly specified.
What paint systems are commonly used?
Polyester is widely used for general construction, while PVDF offers superior UV resistance and color retention for long-term architectural applications.
Can PPGL be roll formed safely?
Yes. Proper bend radius control ensures coating adhesion remains intact during forming operations.
PPGL uses an aluminum-zinc coated substrate, while PPGI uses a zinc-coated substrate. PPGL typically provides improved corrosion resistance in more aggressive environments.
Yes. The aluminum component in the substrate improves barrier protection, making PPGL suitable for coastal and high-humidity areas when properly specified.
Polyester is widely used for general construction, while PVDF offers superior UV resistance and color retention for long-term architectural applications.
Yes. Proper bend radius control ensures coating adhesion remains intact during forming operations.









