Is Granite Ware PFAS-free?
Across 8 graded products, Granite Ware averages F (59/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.
Graded and flagged D and F, we’d swap these
Granite Ware
Grill Mark Corderite Stone Grill Pizza Stone 13 in. L X 13 in. W 1 pk
Cordierite stone (mineral-based ceramic)
Lower-concern choice, cordierite stone has no known PFAS risk.
⚠Risky category by default
Granite Ware
Granitestone Piezano 3-Piece Pizza Stone Bake & Serve Set
Stone/ceramic (pizza stone); non-stick coating unspecified
Lower PFAS concern for stone itself; non-stick coating composition unconfirmed, contact brand for specifics.
⚠Risky category by default
Granite Ware
Large Pizza Stone Set - 13" Thermal Shock Resistant Cordierite Pizza
Cordierite (ceramic mineral)
Lower PFAS concern, cordierite is an inherently PFAS-free ceramic mineral with no nonstick or water-repellent coating.
⚠Risky category by default
Granite Ware
Cuisinart Grill Top Cordierite Baking Stone 12" Pizza Oven Box Kit | Color: Black | Size: Os | Beautyperks101's Closet
Cordierite ceramic baking stone
Lower PFAS concern, cordierite ceramic is a traditional, chemically inert baking stone material.
⚠Risky category by default
Granite Ware
Cuisinart Alfrescamore Pizza Grilling Stone CPS-013
Natural stone/ceramic grilling stone
Lower PFAS concern; pizza stone is uncoated mineral, skip this worry and focus on oven temp limits.
⚠Risky category by default
Granite Ware
Sur La Table 18" x 13.5" Cordierite No-Slip Pizza Stone
Cordierite stone (ceramic composite)
Lower PFAS concern; uncoated cordierite pizza stone avoids nonstick Teflon-family coating risks.
⚠Risky category by default
Granite Ware
Pizza Perfection Hinkler 9" Ceramic Pizza Stone with Rack & Cutter | Multicolor | Set of 3 | Round | Ceramic | Bakestone
Ceramic pizza stone; unglazed or glaze composition undisclosed
Lower PFAS concern, ceramic stones rarely contain PFAS, but glaze details lack transparency.
⚠Risky category by default
Granite Ware
As Seen On Tv Granitestone Piezano Replacement Stone
Stone-derived ceramic/mineral coating (unspecified)
Skip until brand clarifies coating chemistry and PFAS status.
⚠Nonstick, coating undisclosed
Every grade uses the same public rubric. How grades work →