Both economically and ecologically, it can be achieved to print printing on aluminum cans green by 2025. Ball Corporation has implemented a water-based UV ink process, reducing VOC emissions from 25g/m² of traditional inks to 5g/m² (compliant with the EU REACH regulation), and stripping and recovery rate of tank body 99.9% (an 8.6 percentage point increase above 92% of the classical process). Its UK plant produces recycled aluminum tanks in hydrogen furnaces (85% hydrogen), which emit just 0.3 tons of carbon per ton of aluminum (industry standard 1.5 tons) and is SBTi certified. It will replace 90% of its production lines worldwide by this method by 2025.
Cost-benefit analysis attests that sustainable transformation has economic worth. One can printed with water-based ink is $0.002 cheaper when compared to the use of solvent-based ink. However, a tax saving of €12 is possible for each thousand cans from the carbon tariff (€95/ton CO₂ tariff applied by the EU as of 2026). Based on five-year annualized production capability at 1 billion cans per annum, net earnings will be augmented by €144 million. Coca-Cola earned USDA BioPreferred certification for soybean oil content ≥30% plant-based inks, which resulted in a 3% premium on government purchase orders and a $48 million annual revenue boost (2023 financial report data).
Technological innovation facilitates the popularization of eco-friendly processes. HP Indigo’s Electrolnk digital printing technology saves 42% of ink (versus conventional gravure printing), and accommodates 100% water-based ink. Printing speed is 120 meters per minute (error rate ≤0.1%). Through 2024 tests, it was discovered that after craft beer brands have adopted this technology, minimum order quantity has dropped from 500,000 cans to 5,000 cans, sampling cost was reduced from 5,000 to 500, and the proportion of regional customized eco-friendly can production increased from 12% to 58%.
Regulatory pressure accelerates industry transformation. The EU EN 71-3 standard requires the migration amount of heavy metals in ink to be ≤0.01mg/kg (the pass rate of regular ink is only 68%), while the pass rate of Ball’s food-grade UV ink is 100%. Japan’s Food Hygiene Law has also strengthened the residue of bisphenol A from 0.05ppm to 0.001ppm. Ball’s epoxy resin coating technology achieved the standard well in advance, saving Asahi Beer 41% in cost of compliance transformation (compared with the threat of a $23 million fine facing non-compliant manufacturers).
Consumer demand inspires market acceptance. According to Nielsen’s 2023 survey, 73% of European-American consumers are ready to pay 5% to 10% extra for environment-friendly packaging. The conversion rate of the product shelf filled with recycled aluminum and water-based ink is increased by 28%. Sales and repurchase rate increased 34% and 22% respectively for three months since the Carlsberg cans that are certified carbon neutral (0.8kg CO₂ per can) were introduced to the German market.
Supply chain partnership lowers transformation’s barrier. The Ardagh Group collaborated with Terracycle in an attempt to establish a closed-loop cycle recycling, raising the rate of aluminum recycling from 60% to 85% and decreasing energy required to print ink stripping by 37% (0.8kWh/thousand cans versus 1.27kWh). Coca-Cola reduced its range for transport of sustainable cans from 1,200 kilometers to 300 kilometers with its regional chain manufacturing contract, minimizing logistics carbon footprint by 44%. By 2025, it will dominate 80% of the global market.
According to Smithers’ prediction, in the global printing on aluminum cans market in 2025, sustainable processes will account for 62% (only 28% in 2022), taking the industry’s total carbon saving to 120 million tons of CO₂ (equivalent to the annual emissions of 2.6 million fuel vehicles). Spurred by the three impetuses to technological advancement, policy enforcement and consumer demand, green printing on aluminum cans not only becomes possible but also a standard mainstream feature.