Galvanization layer specifications (adapted for humid and hot climates).
– Zinc layer thickness: standard 85–120 μm, thicker in coastal/rainforest areas (120–150 μm).
– Appearance: Silver gray color, uniform coating, no gaps, no flaking, no burrs.
– Service life: 12–25 years in outdoor conditions, resistant to high temperatures, high humidity, and salt spray corrosion.
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