Calphalon Signature Hard-Anodized Nonstick 12-Inch Everyday Pan with Cover
Hold off until Calphalon confirms this is PFAS-free.
Calphalon keeps the nonstick coating formula secret on this pan. While hard-anodized aluminum is generally lower concern, the proprietary coating leaves PFAS risk unclear without testing.
The better-graded swap
Our Place
Our Place Carbon Steel Wok
100/100 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
Hard-anodized aluminum with proprietary nonstick coating (unspecified)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Non-stick, chemistry undisclosed
Marketed as non-stick without stating the coating chemistry.
Nonstick coating degradation and unknown composition
The proprietary nonstick formula is not disclosed; unknown whether it contains Teflon-type coating, GenX, or other Teflon-family coating. Heating above recommended temperatures or mechanical damage can cause coating to degrade, peel, or off-gas; composition opacity means risks cannot be fully assessed.
Thermal degradation of coating at high heat
All polymer nonstick coatings degrade when exposed to sustained high heat; without disclosed composition or published heat limits for this specific pan, users cannot be certain of safe temperature thresholds, increasing risk of unintended fume or particle release.
Coating loss and microparticulate shedding over time
Hard-anodized nonstick cookware is documented to gradually shed coating particles with normal use; older Calphalon products have been specifically cited in consumer reports for flaking nonstick surfaces, suggesting the brand's coatings may be more prone to this issue than some competitors.
Lack of product safety labeling and recall history access
Calphalon does not provide visible composition labels on this product model regarding heat limits or nonstick chemistry; this information gap makes it harder for consumers to understand potential risks and increases risk of accidental misuse.
What’s reassuring
Aluminum leaching (secondary risk)
Hard-anodized layer is designed to prevent aluminum contact with food; published research confirms aluminum leaching is minimal from intact hard-anodized cookware under normal cooking conditions. Risk rises only if the anodized layer is damaged or removed.
The full breakdown
What it's made of and why it matters
This wok uses hard-anodized aluminum as its base, a process that creates a dense oxide layer on the aluminum surface, making it harder and more corrosion-resistant than bare aluminum. The nonstick coating composition is proprietary and undisclosed by Calphalon, which means its chemical makeup (whether it contains Teflon-type coating, PFOA, or alternative polymers) cannot be verified from public information. Hard-anodized aluminum is not a material linked to PFAS; the anodized layer acts as a barrier, though this depends on coating integrity over time.
The brand's record and disclosure
Calphalon has a mixed history on chemical transparency. The company has faced lawsuits and regulatory action related to PFOA (a PFAS chemical) in older nonstick cookware lines, though those products are no longer sold. Calphalon has not publicly committed to PFAS-free formulations or published detailed coating chemistry for current products, which is a significant gap compared to competitors like GreenPan and Our Place that explicitly market PFAS-free status. The lack of proactive disclosure on this specific pan model suggests the company is not prioritizing transparency on this issue.
How it compares in its category
Among hard-anodized woks, Calphalon Signature is mid-range in price and durability but below competitors in chemical transparency. Brands like T-fal and Caraway offer similar performance with explicit PFAS-free claims and greater chemical disclosure. Premium hard-anodized alternatives like Zwilling J.A. Henckels also disclose nonstick chemistry more clearly. This product's main advantage is affordability; its main disadvantage is the information vacuum around its nonstick formula.
If you buy it
Keep the wok below medium-high heat (avoid prolonged heating above 350°F or 175°C) because unknown nonstick coatings can degrade or off-gas at high temperatures, and degradation accelerates if the coating is damaged. Inspect the cooking surface regularly for chips, peeling, or discoloration; stop using it if the coating shows visible wear, as bare aluminum or coating fragments can then migrate into food. Hand-wash only; dishwasher use accelerates coating breakdown. Replace within 3-5 years depending on use frequency, as hard-anodized nonstick coatings gradually lose efficacy and integrity even with correct care.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Calphalon has made none
Formulations change between production runs, so check the current label. How we grade.
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Our Place
Carbon Steel Wok
carbon steel (bare metal, no coating)
Iron leaching from bare metal surface
Limited concern
Rust formation from improper storage or care
High concern
Brand PFAS statement on record, which we have not verified.
⚠Starting grade for this product type
Calphalon
Premier Stainless Steel 13" Wok
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Metal leaching (chromium, nickel, iron)
Limited concern
Handle integrity and burn risk
Limited concern
Stainless steel without nonstick coatings avoids common PFAS sources.
⚠Starting grade for this product type
Le Creuset
Essential Non-Stick Ceramic Wok
ceramic non-stick coating (ceramic-type)
Ceramic coating degradation and substrate exposure
High concern
Aluminum substrate leaching
Limited concern
Coating adhesion and migration of inorganic particles
Limited concern
Named ceramic non-stick coating, with a brand PFAS statement we have not verified.
⚠Starting grade for this product type
More woks 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.