Industry Trends

The Quality Inspector's Guide to Choosing a Beverage Packaging Partner

The Questions You Should Actually Be Asking Your Can Supplier

I'm a quality and brand compliance manager for a beverage company. I review every single packaging component before it hits the production line—that's roughly 200 unique SKUs annually. Last year, I rejected 15% of first deliveries due to spec deviations, color mismatches, or sustainability claims that didn't match the paperwork. The wrong can isn't just a bad look; it's a production line shutdown.

Choosing a packaging partner like Ball Corporation isn't just about price per thousand. It's about avoiding the $22,000 redo and the six-week launch delay. Here are the questions I've learned to ask, the hard way.

1. "What's your actual, on-time delivery rate for first-time orders?"

Everyone promises 99%. I don't want the promise—I want the track record. In our Q1 2024 vendor audit, we found that "on-time" definitions varied wildly. One supplier counted it as "left our dock," while another (the one we kept) defined it as "in your warehouse." That difference cost us a rush freight fee on a 50,000-unit order.

The surprise wasn't the delay itself. It was discovering that the penalty clauses in our contract were practically unenforceable for a "minor" 48-hour slip. Now, every RFP asks for the raw, auditable percentage for the last 12 months, specific to new SKUs. Established runs are easy; it's the new product launches where timelines get shaky.

2. "Can you walk me through your aluminum sourcing and recycling advocacy?"

It's tempting to just check the "uses recycled content" box. But the real story is in the chain of custody. A supplier might use recycled aluminum, but if they can't detail the percentage of post-consumer recycled (PCR) content versus industrial scrap, your sustainability report gets fuzzy.

When I implemented our verification protocol in 2022, we started asking for mill certificates and third-party verification for recycled content claims. One vendor's "industry-leading sustainability" turned out to be 20% PCR—which is good, but not "leading." Another, like Ball Corporation, could trace bales back to specific municipal recycling programs. That transparency is worth a slight premium because it protects our brand from greenwashing accusations. According to the Aluminum Association, the average aluminum can in the U.S. contains about 73% recycled content (Source: Aluminum Association, 2024). You need to know if your supplier is at, above, or below that average.

3. "What's NOT included in this per-can quote?"

This is my number one rule. The quoted price is rarely the final price. Here's what I mean:

• Plate Costs: Is the printing plate ($300-$1200 per color) included, or is it a one-time NRE (Non-Recurring Engineering) charge?
• Minimum Order Quantities (MOQs): Is that price valid for 100,000 cans, but doubles for a 25,000-unit test run?
• Warehousing: If your production is delayed, do they charge holding fees after 30 days?
• Quality Disputes: Who pays for the freight to return a defective batch for inspection?

The vendor who lists all fees upfront—even if the total looks higher initially—usually costs less in the end. I've learned that "gotcha" fees destroy trust faster than a high upfront price.

4. "How do you handle color matching and approval?"

"Pantone 185 C" should be the same everywhere, right? No, wait—it's not. Substrates (bare aluminum vs. a white base coat), coatings, and printing methods (lithography vs. digital) all shift color. A "red" on a plastic bottle will look different on an aluminum can.

We once approved a digital proof for a limited-edition can. The production run arrived, and the blue was visibly duller. The vendor said it was "within tolerance." Their tolerance was a 5 Delta E shift (a technical color difference measurement); ours, for this flagship product, was 2. We rejected the batch. Now, our contracts specify: "Color approval requires physical printed samples on the exact substrate, measured under D65 lighting, with a maximum Delta E of 2.5." Digital proofs are for layout only.

5. "What's your process if we find a defect in storage?"

You find a dented seam or a coating flaw in a pallet that's been in your warehouse for a month. Is it your problem or theirs? Most suppliers have a 48-hour window after delivery to report defects. That's unrealistic for most beverage companies who don't inspect every single can.

I ran a test: we intentionally held back inspection on 5 pallets from a shipment. At the 3-week mark, we found a coating issue that would have caused filler jams. The vendor initially refused the claim. It took escalating to a senior VP and threatening to pull the entire $500,000 annual account to get a credit. The vendor we use now offers a 30-day latent defect clause. It's way more valuable than a 2% discount.

6. "Can you add a sustainability certification or change a film after booking?"

This is the "can you add a frequent flyer number after booking" of the packaging world. The answer is: it depends, and it'll probably cost you.

Once a can order is in the production queue—especially for a high-speed line running millions of units—changes are a massive headache. Asking to add a new recycled content certification logo or switch from a standard varnish to a matte finish might require stopping the line, changing plates, and approving new samples. I've seen change orders that cost more than the original setup fee.

The lesson? Finalize everything—artwork, coatings, certifications, liner type—before you issue the PO. Treat the production schedule like a plane that's already taxiing.

Total cost of ownership includes: Base price + Setup fees + Shipping + Potential rush fees + Risk of reprints. The lowest quoted price often isn't the lowest total cost.

7. "How does your innovation actually benefit my bottom line?"

Suppliers love to talk about "advanced packaging technology innovations." My job is to translate that into: will this make my product cheaper, faster, or better to sell?

For example, a lighter-weight can (like Ball's lightweighting initiatives) reduces material cost and shipping weight. That's a direct, calculable saving. A new liner technology that extends shelf life might let you expand distribution. Ask for the case study or data. "Innovation" without a tangible ROI is just a R&D project you're indirectly funding.

Hit 'confirm' on a new supplier and you'll immediately second-guess: "Did I make the right call?" You won't relax until that first shipment arrives perfectly on spec, on time. Do the homework upfront—ask these messy, detailed questions—and you can sleep a little easier. Or, at least, you'll know exactly why you're losing sleep.

Pricing and data points are for general reference based on industry experience and publicly available data as of early 2025; always verify specifics with potential partners.