GreenPan · Pizza Stones & Baking Surfaces
GreenPan Stanley Tucci Pizza Stone
Named ceramic non-stick coating, with a brand PFAS statement we have not verified.
GreenPan says its Thermolon coated food contact surface is free of PFAS, including Teflon-type coating and PFOA. We record that as an unverified brand claim, and count the ceramic layer as a coating.
Brand says: “GreenPan says its Thermolon coated food contact surface is free of PFAS, including PTFE and PFOA.”
We flunk more products than we pass. This one earned its grade. How we grade
Material
Stone with GreenPan ceramic non-stick coating
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
What’s concerning
Disclosed non-fluorinated coating
Coating is named and the brand states it is made without PFAS.
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Ceramic coating degradation and particle shedding
All ceramic non-stick coatings degrade with use and thermal cycling. Once the coating chips or flakes (typically after 2-5 years), loose ceramic particles may mix with food. GreenPan has not published data on shedding particle size or composition.
Stone substrate thermal stability and cracking
Natural stone and cordierite can develop micro-cracks under repeated thermal stress or thermal shock (e.g., moving from oven to cool surface). Cracks may harbor bacteria or cause uneven heat distribution; no brand-specific failure data is available.
Porous stone substrate harboring bacteria or mold
Even coated stone retains micro-porosity at the surface-coating interface. If not stored fully dry or cleaned thoroughly, moisture can promote bacterial or mold growth; this is not unique to GreenPan but standard to all pizza stones.
What’s reassuring
Brand-stated PFAS-free
The brand states this product is PFAS-free. We have not verified the claim.
Lead
No recalls or test results indicating lead or cadmium contamination in GreenPan ceramic coatings are on public record. However, food-contact ceramics are not routinely third-party tested at retail; risk depends on manufacturing standards not disclosed by brand.
Source, ATSDR ↗Formaldehyde / VOCs
GreenPan does not publicly disclose binder chemistry in its ceramic coating. Ceramic coatings typically off-gas less than polymer-based non-sticks, but complete absence of volatiles is not established for this product.
Source, ATSDR ↗The full breakdown
What it's made of and why it matters
This product is a natural stone (cordierite or similar mineral composite) base topped with GreenPan's ceramic non-stick coating. Stone itself does not leach chemicals under normal cooking conditions and is thermally stable to high oven temperatures (typically 500°F or higher). The ceramic coating is the functional layer; GreenPan markets it as PFAS-free, though the specific formulation chemistry is not publicly detailed. Ceramic coatings carry lower leaching risk than older Teflon-family coating non-sticks, but durability and composition vary by manufacturer.
The brand's record and disclosure
GreenPan is a subsidiary of The Cookware Company and has made public commitments to avoid PFAS in its non-stick coatings since the early 2010s. The brand has no major recalls or safety violations on record for this product line as of available public data. They market ceramic non-stick as a PFAS-alternative but do not provide independent lab certifications (e.g., third-party testing) published for consumer review. Transparency on exact ceramic coating ingredients remains typical of the category, manufacturers do not typically disclose proprietary coating formulas.
How it compares in its category
Pizza stones with ceramic coatings are mid-range in the non-stick market; they avoid legacy Teflon-type coating and PFOA concerns that affect older non-stick cookware. Uncoated stone or stainless-steel pizza stones eliminate coating degradation risk entirely but require oiling and offer no non-stick benefit. GreenPan's ceramic non-stick coating sits between ceramic-only stones and traditional Teflon, with reported durability of 2-5 years depending on use intensity. No major safety advantage over other ceramic-coated baking surfaces has been established in public testing.
If you buy it
Preheat the stone gradually to avoid thermal shock and cracking. Do not exceed manufacturer temperature limits (typically 500-600°F); check product documentation. Avoid abrasive scouring; wash with soft cloth and mild soap to preserve the ceramic coating. If the coating visibly flakes, chips, or peels after extended use, the stone's safety profile degrades; retire it. Store dry to prevent mold or bacterial growth in any porous areas; ceramic coatings reduce but do not eliminate porosity in stone.
What we don’t know
- Basis
- Model estimate, 78% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- GreenPan has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
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Brand PFAS statement on record, which we have not verified.
⚠Starting grade for this product type
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⚠Starting grade for this product type
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⚠Starting grade for this product type
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.