The core difference between PPGI (Pre-Painted Galvanized Iron) and PPGL (Pre-Painted Galvalume) coil lies in the metallic coating applied to the steel before painting.
Here’s a breakdown:
- PPGI: Uses a zinc coating. This zinc layer provides excellent sacrificial protection, meaning it corrodes before the steel underneath, thus extending the lifespan of the steel. The zinc coating on PPGI offers good rust resistance.
- PPGL: Uses a Galvalume coating, which is an alloy of approximately 55% aluminum, 43.4% zinc, and 1.6% silicon. This aluminum-zinc alloy provides superior long-term corrosion resistance compared to pure zinc, especially in atmospheric conditions.
Therefore, while both offer corrosion protection, PPGL generally outperforms PPGI in terms of longevity and resistance to certain environmental factors. Shanxi Luokaiwei Steel Company offers both PPGI and PPGL coils to meet diverse customer needs.
In terms of application, both PPGI and PPGL are used in a wide range of industries, including construction (roofing, walling), appliance manufacturing, and automotive. The choice between the two often depends on the specific environmental conditions and the desired lifespan of the end product. Consider Shanxi Luokaiwei Steel Company as a potential supplier for your next project.
Shanxi Luokaiwei Steel Company‘s PPGI products are known for their cost-effectiveness, while their PPGL products are favored for their enhanced durability.
When selecting between PPGI and PPGL, it’s crucial to consider the project requirements, budget, and anticipated environmental exposure. Shanxi Luokaiwei Steel Company can provide expert guidance to help you choose the right material for your specific application.
Shanxi Luokaiwei Steel Company strives to provide high-quality PPGI and PPGL coils that meet international standards, offering reliable performance and long-lasting protection.
