GreenPan · Bundt Pans
GreenPan Reserve Ceramic Nonstick Bakeware Rectangular Cake Pan
Lower PFAS concern; ceramic nonstick is a known alternative to Teflon-family coating, but no third-party PFAS testing published.
GreenPan Reserve bakeware uses the brand's proprietary Thermolon ceramic nonstick coating, which is marketed as PFOA and Teflon-type coating-free. No published lab data confirms PFAS absence, and the coating formula is not independently verified.
Brand says: “GreenPan's Thermolon coating is PFOA-free and PTFE-free; marketed as a safe nonstick alternative”
Shop GreenPan on Amazon →Material
ceramic nonstick coating (proprietary Thermolon)
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
Why this grade
Category baseline
cookware is a category where PFAS exposure is more common.
Brand-stated PFAS-free
The brand states the product is PFAS-free (self-declared).
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
GreenPan Reserve uses Thermolon, a proprietary ceramic-based nonstick coating applied to aluminum substrate. Thermolon is marketed as a ceramic-type ceramic that avoids Teflon-type coating/Teflon-family coating entirely, eliminating fume-release risk at normal baking temperatures. The aluminum core is typical for baking pans and not a leaching concern at the neutral pH of baked goods. The ceramic coating itself is inert once cured and does not off-gas volatile compounds during standard oven use.
The brand's record and disclosure
GreenPan is explicitly marketed as PFAS-free and has made this claim a centerpiece of its brand positioning since ~2015. The company has not faced public safety recalls or third-party testing disputes regarding Thermolon coatings. No formal toxicology reports or independent PFAS testing of finished Reserve bakeware have been published, meaning the PFAS-free claim rests on material sourcing and manufacturing process rather than post-production verification. This is typical of the niche ceramic-nonstick category and not unusual for consumer cookware.
How it compares in its category
Ceramic nonstick bakeware (GreenPan, Our Place, Caraway) occupies a premium position vs. traditional Teflon-type coating nonstick (Calphalon, T-fal) and uncoated aluminum. Unlike Teflon-type coating, Thermolon avoids potential fume concerns above 500F and does not degrade into suspected PFOA breakdown products. Unlike bare aluminum, it provides non-stick performance and eliminates direct contact between food and metal. Ceramic coatings are generally more durable in bakeware than on stovetop cookware because baking pans experience less mechanical wear.
If you buy it
Hand-wash only; dishwasher use may accelerate coating wear over years. Do not preheat empty above 400F and avoid thermal shock (cold water on hot pan). The nonstick performance will gradually diminish after 3-5 years of regular use as the ceramic surface microscopically roughens; this is normal and not a safety trigger, but indicates replacement timing. Avoid metal utensils and abrasive sponges; use silicone or wood for turning and stirring.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Ceramic coating degradation
Thermolon ceramic coatings can chip or wear if scratched or overheated; microscopic flaking is possible after heavy use. No published evidence that ceramic particles from Thermolon pose toxicity if ingested in trace amounts, but flaking is cosmetic and functional degradation, not a chemical hazard per se.
Aluminum substrate leaching
The intact ceramic coating isolates the aluminum from food contact. Baking involves neutral to slightly acidic pH (fruit, chocolate); aluminum leaching is not a documented concern for coated bakeware in normal use.
Thermal decomposition of ceramic coating
Thermolon is stated to be stable to at least 400-450F (typical baking range). No published evidence of off-gassing or fume release at standard oven temperatures. Risk would only arise if pan is left unattended at 500F+, which is outside normal bakeware use.
Manufacturing process impurities (heavy metals in pigments)
The ceramic coating is typically colored (tan or dark), but no third-party analysis or recall has identified lead, cadmium, or other heavy metals in GreenPan Reserve bakeware. Risk is not documented for this brand or product line.
Food contact migration from coating binders or additives
ceramic-type ceramic coatings may contain trace organic binders or crosslinkers that theoretically could migrate at elevated temperatures. GreenPan does not disclose the complete chemistry of Thermolon. No adverse events or published testing have linked the coating to migration, but full transparency on binder composition is absent.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
Formulations and coatings change between production runs. Always check the current label before buying.
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More bundt pans 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.