How do I choose a quality aluminum sheet?

To choose a quality aluminum sheet, consider the following factors: 1) Thickness and weight, which should meet your specific project requirements. 2) Surface finish, ensuring it's smooth and free from defects. 3) Purity and alloy type, as different alloys have different properties. 4) Certifications, ensuring the sheet meets industry standards. 5) Supplier reputation and customer reviews for reliability. 6) Price, ensuring it's reasonable for the quality. 7) Conductivity and strength, depending on your application. 8) Corrosion resistance, important for longevity. Always inspect the sheet for any visible defects and ensure it's from a reputable supplier.