Jinzhou® Aluminum Cans: Trusted by Coca-Cola and Budweiser for 19 years. With an annual output of 10 billion+ cans, we offer sizes from 185ml to 1000ml.Certified by SGS, FDA, CE, and ISO, our cans are food-grade and BPA-free. Full-color custom printing makes your logo stand out vividly. OEM/ODM services are available.Claim your free sample now! Submit your details, and we’ll send a sample + 24-hour quote. 1000+ brands have grown with us—yours can too. Consult now!
1. Are aluminum cans safe for beer storage?
Absolutely. Aluminum cans are intrinsically safe for beverage storage. They utilize a specialized, food-grade polymer lining that acts as a complete barrier, effectively preventing any direct contact between the metal and the beer. This neutral coating eliminates the risk of chemical reactions and ensures the liquid's original flavor profile remains intact over extended periods.
2. How are aluminum cans sealed for beer and soft drinks?
Aluminum cans are sealed using a sophisticated, high-precision technique known as the double seam. This process involves interlocking the can body and the lid under significant force and pressure. This high-pressure sealing method is crucial for creating an airtight lock that prevents gas escape, thus reliably maintaining the precise carbonation level required for both soft drinks and beer.
3. Why is aluminum preferred for carbonated beverages?
Aluminum’s superior properties—namely its inherent strength and malleability—allow it to be formed into a rigid, yet lightweight container. Crucially, it provides an exceptionally tight, non-porous seal when double-seamed. This robust structure effectively contains the internal pressure created by carbonation, which is essential for preserving the characteristic "fizz" and freshness of sodas and sparkling drinks.
4. Does beer stay fresher in aluminum cans or glass bottles?
From a preservation perspective, the aluminum can generally provides superior freshness protection. It offers a 100% barrier against both light (which causes "skunking" or lightstruck flavor) and oxygen ingress. While dark glass bottles offer good protection, they are still semi-permeable to light, making the opaque aluminum can the optimal choice for maximum flavor stability.
5. What are the environmental impacts of using aluminum cans for beverages?
Aluminum cans are highly regarded in sustainability due to their infinitely recyclable nature, with aluminum being the most recycled beverage packaging in many developed markets. While the initial smelting process is energy-intensive, the closed-loop recycling system requires significantly less energy (up to 95% less) than producing virgin aluminum, making the aluminum can a favorable choice over single-use plastic bottles in terms of circular economy impact.