Does Silicone spatula have microplastics?
The short answer
A clear improvement on nylon and a genuinely under-studied material. Silicone is a siloxane rather than a carbon-chain polymer, so it tolerates pan temperatures far better — but almost nobody has measured what it releases.
Why Silicone spatula scores 23
Silicon-oxygen backbone is stable at temperatures that soften nylon
Soft enough not to damage coated pans, which removes a second exposure route entirely
The core is often nylon or steel — if the silicone skin splits, the core is exposed
Cheap silicone with filler degrades faster; the pinch test showing white is the tell
Where the 23 comes from
Five components, added. The page renders the parts rather than a stored total, so the number cannot disagree with the reasoning behind it.
- Packaging contact
- 6 / 30
- Use conditions
- 12 / 25
- Measured release
- 3 / 25
- Polymer behaviour
- 2 / 10
- Processing
- 0 / 10
What material touches the contents, over how much surface area, for how long. Glass and steel score near zero here; a film pressed against fatty food scores near the top.
Heat, abrasion, flexing, repeated opening, reuse beyond design life. The same bottle scores differently in a fridge and in a hot car.
What a laboratory actually counted, for this product or its category. A high number here means real particles were measured, not that the material looks suspicious.
How this specific polymer behaves — brittleness, fat solubility of its additives, thermal stability, whether it is a polymer named in existing restrictions.
What happened before you bought it. Retort sterilisation inside the pack, hot-filling, and pressurised brewing all happen at the most migration-favourable moment.
What we don't know
Particle release from silicone has essentially not been studied. The established concern is siloxane oligomer migration into fatty food at high temperature, which is a chemistry question and is worse in poorly cured product — hence the preference for platinum-cured silicone. Absence of study is not absence of release.
This section is on every page in the database, including the ones where the answer is comfortable. How evidence grades work →
Better options
Ordered by how much they change, not by how much they cost.
Stainless steel utensils
inert and measured, if your pans are uncoated
Wooden spoons
no polymer, safe on coatings
Check the one in your kitchen
This page scores Silicone spatula as a product. Formulations, packaging and suppliers change, and the specific item you own has its own condition — a scratched pan and a new one are not the same object. Scan yours for a score built from what is actually in front of you.
Scan my cookware & prepSources behind this score
Each with the finding we use it for and the limitation that finding carries — because a study quoted without its boundaries is how this subject got so noisy.
- peer-reviewed2023
Hussain 2023 (Nebraska) — Three minutes of microwaving released up to 4.22 million microplastic and 2.11 billion nanoplastic particles per square centimetre of container surface.
Limitation: Polypropylene and polyethylene containers with water and acetic acid, not real food. The headline figure is the worst case in the study, per cm², not per meal.
- peer-reviewed2020
Li 2020 (Nature Food) — Polypropylene infant bottles prepared to WHO sterilisation guidance released 1.3–16.2 million microplastic particles per litre of formula.
Limitation: Release scaled with water temperature — the highest numbers came from the 70°C step WHO recommends for killing bacteria. The study explicitly did not recommend abandoning that step, and no health outcome was measured.
- agency2026
US FDA — States that current scientific evidence does not demonstrate that the levels of microplastics detected in foods pose a risk to human health, while listing detection and characterisation as a research priority.
Limitation: A statement about the state of evidence, not a finding of safety. "Not demonstrated to be harmful" and "demonstrated to be harmless" are different claims, and the agency is explicit that the research is ongoing.
Frequently Asked Questions
Does Silicone spatula have microplastics?
How was the Silicone spatula score of 23 calculated?
Is Silicone spatula safe?
Why is the confidence only 56%?
Scored next to this
Nylon cooking utensils
Nylon (polyamide) spatulas, spoons and turners
Grade C · 60%
Reusable silicone food bag
Platinum-cured silicone with a plastic or silicone seal
Grade C · 56%
PTFE non-stick frying pan
Aluminium or steel with a PTFE (fluoropolymer) coating
Grade A · 86%
← All 132 products · Microplastic-free products · Methodology