This month’s episode is a little bit different — the C.A.P. Pack is on spring break! We thought we’d take the opportunity to take a look back into the past and revisit some of our favorite topics that we’ve found ourselves talking about again and again over the years.
While we’re taking the time to reflect, this isn’t the “remember when we said something funny” kind of lookback, but more like the “why do these same topics keep showing up in every packaging project” kind.
Because the reality is that these topics really do come up again and again in the real world. If you’ve worked on even one material change, you’ve seen the pattern. The conversation starts with a goal, whether it’s lower waste, safer materials, fewer layers, better end-of-life, or less risk around regulations. At first, it seems like everyone’s aligned. But then the first real question hits the table:
Will the package still do its job?
And from there, the same chain reaction plays out:
If performance changes, the line feels it.
If the line feels it, uptime gets threatened.
If uptime gets threatened, risk starts running the project.
And when risk runs the project, timelines and budgets get tight fast.
That’s why we pulled these clips. They’re the themes we keep coming back to because they’re the themes that keep deciding outcomes.
Watch the full episode above, or listen on Spotify, Apple Podcasts, or our website. Want a sneak peek? Read on to learn more about some of our favorite blasts from the past.
Most packaging projects fail because the team starts in the wrong place.
They start with the material they want to move away from, the sustainability target with a date on it, or the claim they want to make on-pack. Then everyone tries to work backward and make it happen.
But packaging doesn’t work backward. The product sets the rules.
Your packaging and your product are going to run into problems. Shelf life requirements, seal integrity, and barrier all must be taken into account, as well as predictable issues with handling, abuse in shipping, and more. All of that is going to happen whether the project plan is ready or not.
That’s why we keep replaying the moment from Season 1, Episode 9, “Sustainable Innovation in the Food Packaging Industry,” where guest host Zach Muscato from Plastic Ingenuity says, in plain language, that a package’s first job is protecting the product. “There’s a reason why a lot of these ‘unsustainable’ materials are in the marketplace,” he explains. “It’s because they are exceptional at what they do.”
That’s the bottom line — even “problematic” materials can ultimately be more sustainable than many of their counterparts in their specific role, because they protect the product. If the package fails and you lose product, nothing else you “improved” matters.
On paper, a material change can look clean. You qualify a new structure, run trials, update the spec, and move on.
In a real plant — especially in high-output form fill seal — the line is not a sandbox. It’s a system that has already been tuned to run reliably. That reliability is what keeps product shipping.
In Season 1, Episode 18, “The Benefits and Challenges of Form Fill and Seal in Packaging,” Jonathan talks about polystyrene in form fill seal being versatile, but often within the boundaries of the same container format. That detail matters because it explains why so many “simple” changes get complicated fast. If the line is built for repeatability, small changes in material behavior can become big changes in settings, scrap, and downtime.
When someone says “swap the material,” there are pretty immediate considerations:
Does it heat the same way?
Does it form the same way?
Is the seal window the same?
Does it cut and trim the same?
Does it handle and stack the same at speed?
If any of those answers are “not exactly,” you’re not talking about a drop-in swap, and that brings risk. And managing that risk requires data, trials, and the hard truth that the line still needs to run Monday morning.
That leads straight into the next theme we keep coming back to: materials aren’t interchangeable when you’re dealing with real function.
Now for one of our favorite memories: the moment we knew XPP was something special. This clip takes us back to an early ICPG moment because it captures our shock and excitement in the moment that we realized our new material was actually the “unicorn” we had been searching for all along.
In Season 1, Episode 4, “XPP, the Unicorn of Rigid Packaging Solutions,” Jonathan tells the story of scoring a sample and bending it — and watching it snap. That sounds like a small detail until you’ve dealt with multi-pack performance, handling expectations, and keeping consistency in your packaging and brand even when swapping materials.
And this was a big day for ICPG. As Jonathan put it, “Did you just see what I saw? Did you see that unicorn trotting across the parking lot? We have found a potential replacement for PS, for FFS, or for thermoforming. And that was the beginning of our journey.”
CPGs need more than a theoretical solution — they need material behavior that supports:
the product requirements
the process limits
the business needs
and the risk tolerance of the line
When a material can meet those constraints, the conversation changes. You stop debating in theory and start planning a real trial.
And that’s why XPP keeps showing up in form fill seal conversations. Not because it’s a fun talking point, but because FFS has specific functional needs, and many common options force tradeoffs that plants can’t absorb without major disruption.
But material replacement is about more than your lines. Once you get to “this runs,” the next question always follows:
Okay, but what happens after use?
This is where the clip with Kate Bailey, Chief Policy Officer at APR, is so useful, because it knocks down a lazy way of thinking that shows up everywhere: “If people were smarter about recycling, we’d be fine.”
In Season 2, Episode 3, “The Vital Role of Recycling Education and Access,” Kate explains why so many communities have moved toward education based on format. Not because resin doesn’t matter, but because clear guidance has to match real behavior. People aren’t standing over a bin doing research. They’re moving fast, guessing, and following the simplest rule they can remember. “As a consumer, we like to think about bottles, tubs, jugs, jars,”she says. “Is it one of those? Throw it in the bin. And it’s our job as an industry to make sure that if it’s designed in one of those formats that it’s recyclable, because we can’t expect the consumers to know.”
When recycling rules are confusing, you get wish-cycling. That leads to contamination. That makes the system less effective. And then everyone gets frustrated.
So the takeaway here isn’t “recycling is broken.” The takeaway is that end-of-life is a system problem. Collection, sorting, processing, infrastructure, and guidance all shape outcomes. “Recyclable” is not just a property of the package. It’s a match between the package and the system it enters.
And once you zoom out to the system level, you run into the theme that ties everything together.
The last clip in the greatest hits lineup is here because it forces honesty. Recycling and sustainability aren’t easy. Too often, people want a single lever: a single fix or claim that ends the debate.
But packaging doesn’t work like that.
In Season 1, Episode 15, “The Plastic Paradox & the Impact of Plastic on the Environment,” our conversation with Chris DeArmitt, author of the Plastics Paradox, pushes on the idea that recycling alone is the answer. Whether you agree with every point or not, it lands where it needs to land: if you optimize for only one outcome, you can cause problems somewhere else.
That’s why we keep saying good packaging decisions come from naming tradeoffs clearly, up front. This clip explores the questions that separate “nice goal” from “real plan”:
What are you optimizing for?
What can’t move?
What can move, and by how much?
What’s the plan if the first trial shows a weak spot?
This is practical planning. When teams name the tradeoffs early, they don’t get surprised later. They can plan trials smarter. They can align internally faster. They can avoid the late-stage panic where someone realizes the line can’t run the new structure the way the timeline assumed.
We’re excited to take this time to look back at some of the great conversations we’ve had over the years and to really examine these packaging challenges and the ways the affect our material choices.
Manufacturers need to keep an eye on the full picture: protect the product, work within the real constraints of their lines, and test real-world functionality and end-of-life.
If you’re working on a packaging change right now, take the time to listen to this episode. The clips are short, but the patterns are the whole story.
Thanks for tuning into the latest episode of Crazy About Packaging. Be sure to subscribe on Spotify or Apple Podcasts, or listen to past episodes on our website. Share your thoughts with us, and if you’re ready to talk through any of these packaging challenges, reach out to ICPG.