Ceramic Nonstick Frying Pan 12" vs Rio Ceramic Nonstick Frypan: which is safer?
GreenPan Rio Ceramic Nonstick Frypan is the clear pick. Calphalon Ceramic Nonstick Frying Pan 12" carries a failing PFAS grade, and we never recommend buying a failing product.
Calphalon
Ceramic Nonstick Frying Pan 12"
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyCeramic coating degradation and flaking
PossibleAluminum leaching (substrate exposure)
PossibleNonstick coating fume risk (unknown thermal stability)
Our pick
GreenPan
Rio Ceramic Nonstick Frypan
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCoating degradation and particulate release
PossibleAluminum leaching from base metal
PossibleThermal polymer decomposition fumes
Where these two actually differ
- We flag Ceramic coating degradation and flaking, Aluminum leaching (substrate exposure) and Nonstick coating fume risk (unknown thermal stability) on the Calphalon and not on the GreenPan.
- We flag Coating degradation and particulate release, Aluminum leaching from base metal and Thermal polymer decomposition fumes on the GreenPan and not on the Calphalon.
- The gap is 55 points, wide enough that this is not a close call, and the GreenPan is the one to buy.
Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More nonstick skillets, see the full ranking