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These alloys differ primarily in chemical composition and mechanical properties. 1050 aluminum is a high-purity alloy (minimum 99.5% Al) offering excellent electrical and thermal conductivity, high corrosion resistance, and high reflectivity, making it ideal for lighting reflectors and chemical equipment. 1100 aluminum is also commercially pure (minimum 99.0% Al) but slightly stronger than 1050, with excellent workability and formability for deep drawing. 3003 aluminum is an alloy with manganese added (1.0% to 1.5%), which increases its tensile strength by roughly 20% compared to pure aluminum. This makes 3003 the preferred choice for industrial cookware, evaporator plates, and structural components that require higher mechanical durability.

To prevent corrosion and oxidation during shipping, we pack all shipments using export-grade seaworthy packaging. Every coil or stack of discs is wrapped in moisture-proof barriers, interleaved with neutral protective paper, and sealed with a heavy-duty desiccant package. The complete assembly is secured on reinforced wooden pallets and bound with steel bands. We also recommend temperature-controlled shipping spaces and protective coatings or peelable protective film for sensitive mirror-finished or brushed coils.

Our automated rolling lines can achieve precise thickness tolerances down to ±0.02 mm, depending on the material thickness and tempering selection. We supply discs in diameters ranging from 100 mm up to 1200 mm, with thicknesses from 0.3 mm to 6.0 mm. For demanding deep drawing applications, we optimize grain size during the annealing process to minimize the "earing" effect, which reduces scrap rate and waste for our buyers.

Hydrophilic aluminum foil features a specialized surface coating that reduces water surface tension. This prevents water droplets from forming bridges between heat exchanger fins, which can block airflow and reduce system efficiency. Instead, condensation spreads into a thin water film that drains away quickly. This improved water management enhances thermal efficiency by up to 15%, helps prevent mold growth, and extends the service life of industrial air conditioning units.

All shipments are manufactured to international standards, including ASTM B209, EN 485, and GB/T 3880. Every shipment includes a detailed Mill Test Certificate (MTC) showing the chemical analysis, mechanical property test results (tensile strength, yield strength, elongation), and coating thickness validation (where applicable). Our factories also maintain ISO 9001:2015, ISO 14001, and IATF 16949 quality management certifications.