When selecting metal hanging room dividers, the material choice directly impacts durability and aesthetics. Stainless steel (304 or 316 grade) is the gold standard for corrosion resistance, especially in humid environments or coastal areas. Aluminum alloy is a lightweight, cost-effective alternative that reduces the load on ceiling tracks. For the finish, prioritize PVD (Physical Vapor Deposition) coating or powder coating over simple spray painting, as these methods provide superior scratch resistance and color longevity, ensuring the product maintains its premium look in high-traffic commercial spaces.