Start Roto #11 | Costs and margins in rotomolding — Why selling cheap isn't enough — LIVE

What you gain by watching

• On the factory floor, many people consolidate companies fighting only with direct costs — material, production — and let invisible costs slip through, those that don't show up in the quick calculation and, in the end, burn the margin.
• When it comes to reducing costs in the industry, packaging often goes unnoticed, but it can hide a huge financial hole.
• On the factory floor, we realized that a simple design detail — like inverting the roof of a house or stacking water tanks — could transform the entire logistics.

Episode chapters

1. 1

   Invisible Costs: What You Don't Calculate and It Devours Your Margin

   On the factory floor, many people consolidate their company fighting only with direct costs — material, production — and let invisible costs slip through, those that don't show up in the quick calculation and, in the end, burn the margin. We talked about the five essential blocks: from the visible cost of the part to commercial and delivery, passing through the safety margin, showing that selling is not the same as making money. By revealing these critical points, the episode brings the key to not skating: reserving a 'cushion' for unforeseen events and seeing what really makes up the final price.

   Selling is not the same as making money. So the price without looking only at what appears, it ends up leaving what doesn't appear.

   ▶ Watch at approximately 4:34
2. 2

   The hidden cost of packaging: a case of R$ 600 thousand per year that few see

   When it comes to reducing costs in industry, packaging often goes unnoticed, but it can hide a huge financial hole. We talked about a real case where switching from cardboard to plastic, and then adopting returnable packaging in rotomolding, revealed a waste of more than six hundred thousand reais per year for a single company. The solution not only eliminated losses from tears and moisture, but also brought an unexpected gain: in another client, the new packaging allowed increasing the volume of products inside the container by 23%, proving that the right investment in this detail can pay for itself with leftovers.

   How much he spent per year… more than six hundred thousand reais per year on packaging, so it's something significant

   ▶ Watch at approximately 9:58
3. 3

   Cubage: the small design change that fills the truck and dilutes the freight

   On the factory floor, we realized that a simple design detail — like inverting the roof of a house or stacking water tanks — could transform the entire logistics. We talked about how a mold adaptation with two colors and an inversion of parts increased the cubage in the truck, and we showed that the invisible cost of freight and storage often exceeds the apparent price of the product. The turnaround came when understanding that the part design, thought from the beginning for stacking, not only optimizes transport, but also production and inventory, revealing that maximum efficiency is born from considering the complete cycle — including delivery.

   I can transport only ten parts in this format, but if I make a small change here, I can form, yes, deliver a hundred parts in the same, in the same truck.

   ▶ Watch at approximately 14:59
4. 4

   Resin at R$ 26/kg: The Math That Doesn't Close and Recycled as a Way Out

   When the price of resin skyrockets from R$ 15 to R$ 26 per kilo, the factory floor faces a cruel dilemma: pass the increase on to the customer or absorb a cost that makes the business unviable. In this excerpt, we show how the surge — worsened by the rush for inventory and the prospect that Braskem will supply only 75% of national demand — forces a new math, where the safety margin must be built into today's price to secure tomorrow. And that's where we reveal the alternative that can ease this pressure: the partnership with recycled materials, we've already spoken with suppliers that serve specific applications, but it requires caution when the final product has strict technical requirements.

   We saw there that Braskem will be able to supply, they will be reactivating some plants, right, at least that's what we saw in the group there. And they will only be able to supply seventy-five percent of the national market.

   ▶ Watch at approximately 20:22
5. 5

   Recycled Material in Rotomolding: When It's Worth It and When It's Too Risky?

   On the factory floor, the rise of virgin resin pushes everyone towards recycled, but can we really trust it? We talk about the real limits of this switch, showing that in applications like 30,000-liter tanks with sulfuric acid, the risk of a burst is not worth it — you can't test on the client. We share the case of someone who erred in the process, not in the resin, and reveal the safe path: full traceability, own grinding, and above all, the honest conversation with the client about cost and quality, because in some scenarios well-additivated recycled can even outperform virgin, but in others it's better not to take the risk.

   From what we saw, the error is in the process. Yes. And not in the resin itself.

   ▶ Watch at approximately 25:39
6. 6

   Recycled with Color: The Path to Producing Pink Without Virgin Material

   On the factory floor, the burning question is: can you get a vibrant pink using recycled material? We talk about the color limitations of recycled material, but show that with the right additive and a good supplier open to specific development, the dingy cinnamon can come close to the desired crystal. And when it comes to cost, we reveal the golden move: pricing based on the worst-case scenario and using smart commercial strategies, like the 'fake discount,' to maintain margin while still giving the customer a sense of advantage — because it's in crises that you create and discover the best alternative.

   It's in crises that companies are most creative, the market's need, in general, it's in needs that you're always seeking alternatives. Suddenly that alternative becomes the best thing you've done.

   ▶ Watch at approximately 30:51
7. 7

   The unseen price: when the supplier forgets the unforeseen and the buyer needs to rescue them

   On the factory floor, the client is not always the one who errs in the budget: we tell the real case of a supplier who presented a price so far from reality that we had to warn them — after all, a deal closed halfway becomes a headache for both sides. This experience opens space for a topic few see: hidden costs, such as incorrect tax classification and withheld taxes that can become credits to recover. And that's where the turnaround comes in: with the product-by-product analysis done by CX Contábil, we show how a company recovered over seventy thousand reais in 2025 and how a simple reclassification can prevent headaches with new laws — proving that the right accountant is not a cost, it's an investment.

   If it weren't for your insight into what that value would really be… I would have had a loss.

   ▶ Watch at approximately 36:19
8. 8

   The invisible villain of rotomolding: why indirect cost eats your margin

   In the episode, we talk about the silent villain that erodes the profits of those who work with rotomolding: indirect cost. The conversation started with the ease of mapping raw material, inputs, and productive time, but we showed that it's in the invisible wastes — those ten or twenty grams that escape each cycle — where the loss accumulates, often without the company noticing. The turnaround happens when Júlio César reveals that small adjustments can generate a minimum reduction of forty percent in operational cost, but to do that, it's necessary to break paradigms, like the one that says only virgin material is good — and we tell the real case of a whitewater kayak that softened in the client's hands because of that mistaken belief.

   People's mistake is calculating based on direct loss. Yeah, and tight margins too, right? It ends up squeezing your margin.

   ▶ Watch at approximately 41:26
9. 9

   Recycled material, the 33-year-old machine, and the hidden cost of 'I've always done it this way'

   In this excerpt, we question the paradigms that hold back operations in rotomolding, from the belief that recycled material or used machines are worse to the trap of thinking the most expensive equipment solves everything on its own. We tell the real case of a 33-year-old machine that still produces perfectly because it receives preventive maintenance and has a trained operator, plus the example of a client who lost two tons of material by outsourcing to a 'top of the line' machine that didn't work out — proving that results come from the combination of technique, training, and process control. We close by reinforcing what we always say here: scientific knowledge applied to the factory floor breaks the 'I've always done it this way' and prevents lack of training from causing rework, cleaning and setup costs, and lost money that no one sees at the end of the month.

   Knowing that recycled material is also good or even better for some applications than virgin material… You just need to know how to apply it.

   ▶ Watch at approximately 46:41
10. 10

    The paradigm that held back a city in Minas Gerais for generations — and how to break it on the factory floor

    When we arrived in a small town in Minas Gerais, we found a curious scenario: entire factories stuck in techniques passed from grandfather to father, using high-speed steel drill bits that would seize up in the middle of a thread in stainless steel. We told the story of this region, which has been a pioneer in Latin America in dairy equipment since 1903, but where knowledge has not evolved — to the point that we doubled local production by 300% by bringing in new information. We talked about how empirical knowledge needs to go hand in hand with a scientific basis, and that is exactly the proposal we present: a course that goes from the basics of resin to troubleshooting defects, adaptable to each company's reality.

    Many companies were passed down from father to son. So this really is a paradigm, that I learned it this way, and I don't want to change.

    ▶ Watch at approximately 52:08
11. 11

    Why knowing your equipment inside out defines your customer service — and turns customers into brand advocates

    We dealt with the dilemma of those who need technical training but cannot stop production: one client even asked us to bring the course to them, with ten employees, because moving the team would cost at least three days. We showed that the solution was to bring the training into the company, studying the real problems on the client's factory floor — and we shared how this same lesson applies to customer service: it's no use having the best product if you don't deeply understand what you sell, as we learned back when we worked with instrumentation, when we had to study the equipment from end to end before we could respond well to a client. In the end, the insight is clear: whoever deeply knows their machine or service turns customer service into a partnership and the customer into a brand advocate.

    When you do the positive part, that, you've only done your duty, right? Because I think it's an obligation, right?

    ▶ Watch at approximately 57:38
12. 12

    The hidden cost of the part that won't come out of the mold

    On the factory floor, the rush to produce hides a silent villain: the part that insists on getting stuck in the mold. We talked about how training the sales team and technical knowledge about the equipment are the first barrier against loss of reputation — after all, it's no use having the best product if the customer is poorly served. And, in the production routine, we showed how twenty minutes to demold one part throws the machine cycle out the window, heating the oven needlessly, wasting gas, and decimating efficiency — a cost few calculate until it's time to settle the bill.

    The part comes out of the mold, but the cost keeps running.

    ▶ Watch at approximately 1:02:40
13. 13

    The "dirty economy" that snowballs: the hidden cost of the wrong release agent

    Often, trying to cut costs with release agent or raw material ends up stalling production, creating chaos that goes from the part stuck in the mold to operator dissatisfaction. In this episode, we tell how a simple wrong decision creates a domino effect that damages molds and affects team morale — and we show that the solution lies in understanding the true acceptance criteria for the part, since expensive equipment isn't always essential for the final product to come out as imagined. We also talk about how we offer practical paths, with partners like Almirall Química, to ensure the operator ends their day with ten intact parts and not with a dented production run.

    He'll produce eight parts, already dented them when removing, damaged them because it got stuck. So it's a problem, it's complicated.

    ▶ Watch at approximately 1:07:48
14. 14

    When the lathe defines the factory's future and the mistake becomes a leadership lesson

    On the factory floor, pressure can be as suffocating as the heat of a part fresh out of the oven: in a critical maintenance, with eight people around the lathe and five millimeters determining the resumption of production, a small tool pass almost cost the entire part. Then a leader with vision asked everyone to go for coffee, letting the professional work in peace — and that trust revealed an essential insight: organized environments and documented processes not only prevent errors, but also turn operators into key players, like the operator who was so efficient her boss said he wouldn't trade her for ten others. We talk about how recording every occurrence, every adjustment, every detail becomes a shield against the "guesswork" that erodes real margin, and how decisions based on memory, not data, cost dearly — but when the team has security and the right tools, even having a phone in hand becomes a sign that everything is under control.

    Go have coffee, get away from the lathe, or you'll end up killing this part

    ▶ Watch at approximately 1:12:53
15. 15

    Write everything down: the invisible cost that erodes your margin without you noticing

    In this segment, we dive into a silent problem that affects many operations: the expenses nobody records and that, at the end of the month, erode the product margin without the manager noticing. We tell the real case of a company that spent a fortune on WD-40 and high-temperature silicone — items that seemed harmless but added up to over a thousand reais a year in waste, hidden in the maintenance routine. The turning point comes when we show that the solution is simple and starts with a basic habit: recording everything, even on paper, then turning that data into intelligence with tools like Excel and AI, revealing bottlenecks and allowing the final product cost to be formed with criteria — not in the dark.

    So today a simple piece of data there, a WD-40 you used that you didn't need, ends up becoming useful information in the future.

    ▶ Watch at approximately 1:17:54
16. 16

    Why cutting costs on your product may be fooling only you (and the customer will come collecting)

    In this chapter, we close the account every rotomolder avoids doing: that 'advantageous' price today is tomorrow's loss, and we show this with a simple everyday example — meat that arrives spoiled at home. We tell how the reputation of being a 'lemon product' spreads fast in town and in the industry, and we reveal the path of prudence: list all costs, visible and invisible, include investment in training and equipment, and record losses to finally define the minimum margin that keeps the business standing.

    You're not doing anything to fool the customer; you're fooling yourself. Because tomorrow the customer will come collecting. And the bomb always bursts.

    ▶ Watch at approximately 1:23:25
17. 17

    Rotocast wraps up with direct talk: recycled material, consulting that pays for itself, and equipment that disappears before being announced

    We close this cycle of our chat reinforcing a truth that lives on the factory floor: the right information arrives before a problem turns into loss, and that's what we brought today. We talked about the transition to recycled material, with Equipos showing in practice what can and cannot be done, and we also shared how our market dynamic works — equipment that comes in often doesn't even get announced because there's already a customer waiting, like what happened with the material Júlio offered and was sold in the middle of the conversation. In the end, we showed that our differential is this closeness that turns contact into results, whether in consulting that already delivers savings on the first visit or in daily support for those just starting out, always with the door open for questions, praise, and new challenges.

    I'm not an expert in everything, I really like my work, I love bringing information through our knowledge, through the people that make up Portal.

    ▶ Watch at approximately 1:28:32