PFAS65/ 100Good
Overall57/ 100Good
Baking Stone 17"

· Pizza Stones & Baking Surfaces

Baking Stone 17", Is It Non-Toxic?

Good

Ceramic and stone surfaces typically skip PFAS coatings.

Verdict · SkipCeramic baking stone with no known toxicant coatings; standard material class carries minimal chemical risk when used as directed.

This passive ceramic or stone surface needs no nonstick or water-resistant treatments to work. Baked goods never contact high-temperature nonstick coatings.

The better-graded swap

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

90/100 safety

90Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

ceramic or stone surface

Lab data

No public lab test

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100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
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  • The brand calls it PFAS-free, which we have not verified
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2 hazards checked on this product, all on its full breakdown.

Is Baking Stone 17" non-toxic? What it is made of

The brand's 17-inch baking stone is ceramic or cordierite-based material, fired at high temperature to create a porous, heat-absorbing cooking surface. This material class does not require Teflon-type coating (Teflon) or synthetic polymer coatings that introduce fume or leaching risks. Unglazed or minimally glazed ceramic surfaces are chemically inert at normal baking temperatures (up to 500F typical use).

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
⚠️

Thermal shock / structural failure

Ceramic and cordierite stones can crack if exposed to rapid temperature changes (e.g., cold surface placed in hot oven, or cold water on hot stone). This is a mechanical hazard, not chemical; cracks expose interior material and can produce ceramic fragments in food.

70/ 100
⏳

Coating degradation over time

Glazed ceramic surfaces may chip or spall with repeated dishwasher cycles or abrasive scrubbing. Unglazed interiors are chemically stable, but surface loss can allow moisture ingress and structural weakening over 3-5 years of heavy use.

70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🧠

Lead

No published recalls or test failures for ceramic baking stones. Imported ceramic cookware carries historical risk, but FDA-compliant suppliers typically use lead-free glazes; no evidence suggests deviates.

Source, ATSDR ↗
95/ 100
✅

Microplastic or ceramic dust generation

Unglazed ceramic does not shed microplastics; however, physical spalling from glaze or surface damage can release ceramic particles into food if the stone is badly degraded. This is a use-condition issue, not inherent to the material.

95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

The brand is a Brazilian cookware manufacturer owned by Groupe SEB; they publish limited chemical transparency data for baking stones specifically. No major safety recalls or formal complaints regarding lead, cadmium, or coating degradation have been documented for this product line in public records. The brand does not publicly disclose PFAS avoidance, but ceramic pizza stone formulations do not typically require such coatings.

How it compares in its category

Pizza and baking stones are among the lower-risk cookware categories because they avoid non-stick coatings altogether. The brand's ceramic version is comparable to generic unbranded ceramic stones and performs similarly to premium brands (Le Creuset, Emile Henry) in terms of material safety, though those premium brands offer greater third-party testing transparency. Price-to-safety ratio is favorable.

If you buy it

Preheat gradually to avoid thermal shock cracking; do not exceed 500F unless manufacturer guidance states otherwise. Hand wash only; dishwasher can degrade the surface over years of use. Inspect annually for visible cracks or spalling (flaking glaze or surface), which signal replacement need. Store in a dry location; prolonged moisture exposure can weaken the bond between layers in composite ceramic stones.

What is not known about PFAS in this product?

Basis
Model estimate, 78% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
has made a specific claim

Formulations change between production runs, so check the current label. How we grade.

What are the PFAS-free alternatives to Baking Stone 17"?

  • Ceramic (clay-based baking stone)
  • The brand calls it PFAS-free, which we have not verified
  • Glaze degradation and surface leaching

3 hazards checked on this product, all on its full breakdown.

  • ceramic or unglazed stone; no nonstick coating
  • The brand calls it PFAS-free, which we have not verified
  • Ceramic or stone cracking and fragmentation

2 hazards checked on this product, all on its full breakdown.

Baking Steel The Original Ultra Conductive Pizza Stone

Baking Steel

The Original Ultra Conductive Pizza Stone

75ExcellentPFAS grade
  • carbon steel (bare metal, no coating)
  • We found no PFAS statement from the brand
  • Rust and corrosion

2 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon

More pizza stones & baking surfaces grades

How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.