Fiskars 24" x 36" Self-Healing Double-Sided Cutting Mat vs iFixit Silicone Work Mat: which is safer?
iFixit Silicone Work Mat is our pick: better on PFAS and on the overall hazard picture.
Pyrex
Fiskars 24" x 36" Self-Healing Double-Sided Cutting Mat
PFAS grade
D 65/100
Overall grade
F 39/100
Verdict
Skip
Hazard flags
⚑ 5
Material
PVC or vinyl, self-healing polymer base
Confidence
45%
PossiblePlasticizer leaching (phthalates or other additives)
PossibleMicroplastic shedding during use and aging
ReportedVolatile organic compound (VOC) off-gassing
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