What we got wrong: how IMEKO was rebuilt into CHEFEAT

CHEFEAT · Engineering log · Updated August 5, 2026

Most brands publish the version of the story where everything went right. This is the other one — the list of things our own customers found wrong with our first product, and what each of them cost us to fix. We publish it because it is the actual reason the current board is good, and because anyone comparing TPU boards deserves to know which problems have been solved and which are still open.

Generation one: what a good idea got wrong

In 2019 we launched the first IMEKO TPU cutting boards (the full brand story is here). The core idea was right — an elastic polymer that spares your knife edge and folds to pour. Thousands of customers agreed. But a board lives in a kitchen for years, and years is where the problems showed up.

1. It took on color

Turmeric, beetroot, tomato paste, red curry — pigment-heavy foods left a shadow on the surface that washing didn't remove. Not a hygiene failure; the board was clean. It just stopped looking clean, and a board you're embarrassed by is a board you replace early.

2. Edges could crack

Under heavy daily use, especially where the board was repeatedly bent to pour, the first compound could develop stress cracks at the edge. A cracked edge is the beginning of the end for any board — it's exactly the kind of damage that turns into a groove that traps residue.

3. It slid on a wet counter

Thin and light was a feature on paper — slides into a drawer, packs for a trip. On a wet stone countertop under a chef's knife, it was a problem.

4. It came with a list of things you couldn't do

The original care instructions asked customers not to use serrated knives or meat cleavers on it and not to set hot pans on it. Every one of those sentences is a small admission that the material wasn't strong enough yet. A cutting board should survive the kitchen it lives in, not ask the kitchen to be careful with it.

The part nobody sees: we had to leave the factory

Here is the unglamorous reason the fixes took years instead of months. We knew what was wrong long before we could fix it — we brought the list to the factory that had made every IMEKO board since 2019.

They said no. Not out of malice: the boards sold, the orders were steady, the business was good on their side. Nothing was broken from where they stood. Changing a compound means new trials, new scrap, new risk — and a manufacturer with a comfortable order book has no reason to take any of it.

So we left. That decision is what makes CHEFEAT a different product rather than a different label, and it cost what it always costs:

• A new mold. The tool that forms the board is a capital investment, made from steel for one specific geometry. Larger, thicker, double-sided, with a deep juice groove — none of that exists until someone pays for the tooling that makes it.
• New manufacturing partners, chosen for willingness to iterate rather than for the lowest quote.
• Rounds of material trials. More rubbery, then too soft. Firmer, then not flexible enough to fold. More elastic, but did it stay elastic after a hundred dishwasher cycles? Every property we wanted pulled against another one — the work was finding the balance, not maximizing any single number.

This is why the name changed. You can rename a product in an afternoon. You cannot re-tool one.

The rebuild: roughly twenty changes, three layers

What followed wasn't a resize. We went back to the compound itself. Around twenty separate changes were made across three layers — material chemistry, physical geometry, and surface behavior. These are the ones you can verify from the specifications of both generations:

Layer one — the compound

Layer two — the geometry

Layer three — the surface

Why the new compound behaves differently

The three complaints that drove the rebuild — staining, cracking, sliding — are not three separate problems. They are three symptoms of the same thing: what the surface does when a blade hits it. Here is the mechanism, because "we improved the formula" means nothing without it.

Why cheap boards stain — and this one resists it

Turmeric and beetroot don't stain a surface. They stain into it. Pigment needs somewhere to go: microscopic pores, or the open flank of a knife cut. A hard plastic board is carved by the blade — each stroke opens a fresh channel, and the next curry finds it. A porous board absorbs directly.

An elastomer works differently: the surface deforms under the edge and closes behind it instead of being sliced open. Fewer open channels means less for pigment to grip. That is why the reformulated compound holds its color where the first generation went yellow-orange after a season of cooking — and why the current board is graphite: the color that stays honest longest in a working kitchen.

Why boards crack — and this one is built not to

Cracking is fatigue, not weakness. Bend any material enough times and it fails at the point of highest stress — for a flexible board, the edge. The first compound was tuned for softness; softness alone doesn't survive years of being folded to pour. The rebuilt compound is denser and more resilient at once: it springs back instead of staying deformed, which is exactly what keeps stress from accumulating in one line.

That resilience is also why the knife restrictions disappeared. A board that yields and recovers can take a serrated edge or a cleaver; a board that only yields gets carved.

Generation one vs generation two

What we still haven't fully solved

Two honest items, because a rebuild story with no open problems is marketing, not engineering.

• Slipping isn't 100% solved. Most customers report the board stays put; some still report it moving during heavy chopping. The mass and texture improved it — they didn't end it. It's the open item we're still working on, and you can read that in our reviews as easily as we can.
• Every polymer sheds under a blade. TPU is a plastic. Its advantage is that an elastomer yields under the edge instead of being carved into slivers — but "less" is not "none". Our honest page on cutting boards and microplastics lays out what the research does and doesn't say.

Why the name changed

We could have called this IMEKO XL. It would have inherited years of reviews and cost us nothing. We didn't, because after roughly twenty changes to compound, geometry and surface, it isn't the same product — and a name is a promise about what's inside. IMEKO remains our first generation and our registered trademark. CHEFEAT is what we learned.

Sources for the comparison: published specifications and care instructions of the original IMEKO listings (Amazon US, 2019–) and of the current CHEFEAT board (ASIN B0CJ7YCWW3), plus our own production records.
Related: The IMEKO story — one family, two brands · What is TPU? · Cutting boards and microplastics · Best flexible cutting board