Premier Ceramic Nonstick Frying Pan with Lid vs Rio Ceramic Nonstick Frypan: which is safer?
GreenPan Rio Ceramic Nonstick Frypan is the clear pick. Calphalon Premier Ceramic Nonstick Frying Pan with Lid carries a failing PFAS grade, and we never recommend buying a failing product.
Calphalon
Premier Ceramic Nonstick Frying Pan with Lid
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyCeramic coating degradation and barrier loss
PossibleAluminum leaching from base (if coating compromised)
PossibleThermal stress and fume risk from overheating
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 barrier loss, Aluminum leaching from base (if coating compromised), Thermal stress and fume risk from overheating and Lack of third-party safety verification 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