Norpro · Silicone Cutting Mats & Prep Boards
Norpro Jumbo Flexible Cutting Mat
Lower concern. Flexible cutting mats typically pose minimal PFAS risk.
Norpro Jumbo mat is a flexible cutting surface, likely rubber or silicone without nonstick coating. No known PFAS concerns for this product category, but brand provides no explicit disclosure.
Shop Norpro on Amazon →Material
flexible rubber or silicone mat, uncoated
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
cookware is a category where PFAS exposure is more common.
The full breakdown
What it's made of and why it matters
Norpro Jumbo Flexible Cutting Mat is made from food-grade rubber or silicone elastomer without enamel, glaze, ceramic, or non-stick Teflon-type coating coatings. This uncoated construction eliminates the primary chemical risks associated with traditional cookware: lead/cadmium leaching from glazes, Teflon-type coating fume emissions from overheating, and aluminum ion migration. The material is inert at normal cutting temperatures and does not degrade into microparticles during typical kitchen use.
The brand's record and disclosure
Norpro is a long-established kitchenware manufacturer with no documented safety recalls, recalls, or legal actions tied to chemical hazards in cutting mats or flexible kitchen tools. The brand makes no explicit public statements about material sourcing, heavy metal testing, or chemical certifications. Norpro products are widely distributed through major U.S. retailers, suggesting compliance with FDA food-contact material regulations, though third-party testing disclosure is absent.
How it compares in its category
Flexible silicone cutting mats are inherently lower-risk than rigid glass, ceramic, or wood alternatives that may contain lead glaze or mold contaminants. They outperform coated steel or nonstick surfaces where coating flaking or Teflon-type coating breakdown is a concern. The main trade-off is durability: silicone/rubber mats can degrade or stain over years of use, but degradation does not release hazardous compounds into food.
If you buy it
Use the mat for cutting only; do not place it directly on heat sources, stovetops, or under hot cookware, as silicone can soften above 200°C (400°F). Hand wash in warm soapy water and air dry; do not use abrasive scrubbers that can pit the surface and trap bacteria. Replace every 2-4 years if discoloration, staining, or odor develops, as these indicate material breakdown. Store flat or rolled loosely to prevent permanent creasing.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Silicone/rubber degradation and surface pitting
Over years of use, silicone mats can develop surface cracks, stains, or permanent odors, which may trap bacteria and food particles. This is a durability issue rather than a chemical hazard, but degraded surfaces are harder to sanitize.
Heat-induced softening or off-gassing
No recalls or complaints documented for Norpro mats used at normal kitchen temperatures. However, silicone products left in direct sunlight or on hot surfaces above 200°C can off-gas siloxanes; this risk is minimal if used as a cutting surface only, not as a trivet or baking mat.
Contamination from prior manufacturing or storage
No heavy metal or chemical residue contamination is documented in this product category. Food-contact rubber and silicone mats sold in the U.S. are assumed to comply with FDA CFR 177 standards, though independent third-party test results are rarely published.
Bacterial or mold colonization in grooves
As a porous elastomer, silicone mats can harbor bacteria if not dried thoroughly after washing or if stored in humid environments. This is a microbiological hygiene risk, not a chemical one, and is managed by proper cleaning and air drying.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More silicone cutting mats & prep boards grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.