Greenpan 11 inch x 17 inch Nonstick Cookie Sheet, Is It Non-Toxic?
A non-stick coating of unstated type, 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. Its record describes a non-stick coating of unstated type, which is still counted.
Brand says: “GreenPan says its Thermolon coated food contact surface is free of PFAS, including PTFE and PFOA.”
The better-graded swap
Caraway
Caraway Nonstick Ceramic Large Baking Sheet
90/100 safety
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
Nonstick coating, type unspecified; aluminum substrate
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
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Is Greenpan 11 inch x 17 inch Cookie Sheet non-toxic? What it is made of
This cookie sheet has an aluminum substrate topped with a nonstick coating of unspecified composition. GreenPan states it is PFAS-free, but the exact resin chemistry is not disclosed on product information we reviewed. Aluminum itself is not a major hazard in bakeware at normal baking temperatures, but the nonstick layer's durability and leaching potential depend entirely on its formulation, which remains unclear.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Disclosed non-fluorinated coating
Coating is named and the brand states it is made without PFAS.
Nonstick coating degradation and particle shedding
The unspecified nonstick resin may flake or peel with age, especially if heated above recommended limits or scrubbed aggressively. Ingestion of coating particles is a long-term concern if the surface is not regularly inspected.
Coating composition uncertainty
GreenPan claims PFAS-free but does not publicly disclose which nonstick chemistry replaces fluorinated compounds (ceramic, silicone, or proprietary resin). This opacity prevents independent verification and comparative safety assessment.
Thermal fume release from nonstick layer
Any synthetic nonstick polymer can off-gas or decompose if the baking sheet is exposed to sustained high heat (above 500-600 degrees Fahrenheit). Proper temperature control is essential to avoid respiratory or acute thermal stress on the coating.
What’s reassuring
Brand-stated PFAS-free
The brand states this product is PFAS-free. We have not verified the claim.
Aluminum substrate leaching
Aluminum in bakeware at standard baking temperatures (under 500 degrees) is not a major leaching risk; acidic foods are a greater concern. No specific recalls or studies link this product's aluminum base to leaching.
PFAS
No public reports of heavy metals, lead, or cadmium in GreenPan cookie sheets. Standard bakeware safety testing does not flag aluminum nonstick sheets as contamination sources if coatings are intact.
Source, ATSDR ↗How is this PFAS grade calculated?
The brand's record and disclosure
GreenPan has made public commitments to eliminate PFAS from their cookware line and markets products as PFAS-free. However, independent third-party verification of this claim is not evident in widely available documentation. The brand does not publicly specify the alternative nonstick chemistry used, which limits your ability to cross-check safety independently. GreenPan has faced no major recalls for this specific product line related to coating safety.
How it compares in its category
Nonstick cookie sheets dominate the consumer market; bare aluminum or steel alternatives exist but require greasing. GreenPan's PFAS-free positioning appeals to safety-conscious buyers, but many competitors (including Lodge, OXO, and Calphalon lines) also offer PFAS-free nonstick or ceramic alternatives with clearer material disclosure. This sheet sits in the mid-range of transparency and brand reputation within the nonstick category.
If you buy it
Keep the product below 500 degrees Fahrenheit to avoid degrading the nonstick coating and releasing fumes. Inspect the coating regularly for chipping, peeling, or discoloration; discontinue use if damage appears. Hand wash rather than dishwasher wash to extend coating life. Replace every 3-5 years or sooner if the surface deteriorates, as degraded coatings may leach particles into food.
What is not known about PFAS in this product?
- Basis
- Model estimate, 45% 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.
What are the PFAS-free alternatives to Greenpan 11 inch x 17 inch Nonstick Cookie Sheet?
- ceramic nonstick coating
- A third party reports verifying it as PFAS-free
- Ceramic coating degradation over time
- ceramic nonstick coating
- A third party reports verifying it as PFAS-free
- Coating degradation and durability
2 hazards checked on this product, all on its full breakdown.
- ceramic nonstick coating
- The brand calls it PFAS-free, which we have not verified
- Ceramic coating degradation and particle shedding
3 hazards checked on this product, all on its full breakdown.
More bakeware 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.