Rio Advanced Ceramic Nonstick Griddle vs Cast Iron Square Griddle: which is safer?
GreenPan Rio Advanced Ceramic Nonstick Griddle is our pick: better on PFAS and on the overall hazard picture.
Our pick
GreenPan
Rio Advanced Ceramic Nonstick Griddle
PFAS grade
Excellent 90/100
Overall grade
Excellent 82/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Ceramic-based nonstick coating
Confidence
72%
PossibleCeramic coating degradation and flaking
PossibleAluminum leaching
Le Creuset
Cast Iron Square Griddle
PFAS grade
Excellent 75/100
Overall grade
Good 71/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Cast iron with vitreous enamel glaze
Confidence
85%
PossibleEnamel coating degradation and leaching
Where these two actually differ
- We flag Ceramic coating degradation and flaking and Aluminum leaching on the GreenPan and not on the Le Creuset.
- We flag Enamel coating degradation and leaching on the Le Creuset and not on the GreenPan.
- The GreenPan is Ceramic-based nonstick coating where the Le Creuset is Cast iron with vitreous enamel glaze, which is most of the difference in these two grades.
Both products run through the same public rubric: 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 griddle pans: see the full ranking