As aluminum bottles continue to gain popularity in the beverage industry, especially for craft beer and specialty drinks, ensuring the safety of the packaging is more important than ever. One of the key components? The inner coating.
🛡 Why Inner Coating Is Essential
Aluminum is highly reactive, especially with acidic liquids like beer. Without a proper liner, aluminum ions can leach into the beverage, altering the taste and posing health risks.
👉 A food-grade inner liner prevents this by creating a barrier between the beer and the metal.
🎨 What Kind of Coatings Are Used?
Most reputable manufacturers use epoxy resin or polymer-based coatings from companies like PPG or Valspar. These coatings are:
Designed for beverage contact
Tested under high-acidity conditions
Available in BPA-free versions
Well-known bottle brands (like SIGG) use BPA-free EcoCare liners to meet growing safety demands.
🚫 Is BPA Still a Concern?
Yes, but less than before. BPA (Bisphenol A) was once widely used in can linings but has since been phased out by many leading companies.
✅ Today, most coatings used for aluminum bottles are:
BPA-free
Certified for food contact by FDA or LFGB
Compliant with modern consumer safety standards
✅ Legal Requirements: What the Law Says
📜 In the EU, Regulation (EC) No. 1935/2004 requires that any material in contact with food:
Must not release harmful substances
Should not alter the composition, taste, or odor of the food
Although there are no specific limits for liner materials, they must be demonstrably safe.
📝 Summary: What You Must Ensure
If you’re producing or sourcing 0.33L aluminum bottles for beer:
✅ Use a certified food-grade liner
✅ Ensure it’s BPA-free
✅ Request compliance documentation (e.g., FDA, LFGB, EU 1935/2004)
🏭 At AOLIJUE, Safety Comes First
At AOLIJUE, we use high-performance liners from PPG and Valspar, and all our bottles comply with FDA and LFGB food contact standards. Our aluminum bottles are trusted by beverage brands seeking premium, safe, and sustainable packaging.
Explore more at 👉 aolijue.com
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