Edge Guard Rubber Wood Cutting Board vs iFixit Silicone Work Mat: which is safer?
iFixit Silicone Work Mat is our pick: better on PFAS and on the overall hazard picture.
Calphalon
Edge Guard Rubber Wood Cutting Board
PFAS grade
D 65/100
Overall grade
F 53/100
Verdict
Skip
Hazard flags
⚑ 3
Material
rubber wood with edge guard (likely silicone or rubber)
Confidence
72%
PossibleWood-fiber adhesive off-gassing and leaching
PossibleEdge guard material identity and degradation
PossibleMicrobial growth in wood-polymer laminate
Our pick
Pyrex
iFixit Silicone Work Mat
PFAS grade
D 65/100
Overall grade
F 59/100
Verdict
Skip
Hazard flags
⚑ 1
Material
silicone (elastomer)
Confidence
78%
PossibleMicroplastic or particle shedding
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 silicone cutting & prep boards: see the full ranking