iFixit Silicone Work Mat vs Microperforated Silicone Baking Mat: which is safer?
iFixit Silicone Work Mat is our pick: better on PFAS and on the overall hazard picture.
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
Silikomart
Microperforated Silicone Baking Mat
PFAS grade
D 65/100
Overall grade
F 57/100
Verdict
Skip
Hazard flags
⚑ 2
Material
Silicone (likely food-grade, no Teflon-type coating or Teflon-family coating)
Confidence
78%
PossibleThermal breakdown and fume release
PossibleBacterial or mold growth in perforations
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