15/ 100
F
OverallF3/100
Norpro 48 Flexible Cutting Boards (Set of 2)

Norpro · Silicone Cutting Mats & Prep Boards

Norpro 48 Flexible Cutting Boards (Set of 2)

F · High PFAS

Unknown coating; limited public data. Contact brand for PFAS details.

Verdict: SkipFlexible plastic cutting boards are generally safe for food prep if used correctly, but unknown coating chemistry and lack of brand transparency on PFAS warrant cautious use and regular replacement.

Norpro 48 flexible cutting boards have an unspecified surface coating. No public PFAS claims or certifications available; material safety unclear without direct brand confirmation.

The safe swap

Silikomart Silicone Grip Mat

Silikomart

Silikomart Silicone Grip Mat

80/100 safety

B

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Flexible plastic/rubber cutting board, coating unspecified

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Non-stick, chemistry undisclosed

Marketed non-stick without stating the coating chemistry.

Hurts the grade

Category baseline

cookware is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

The full breakdown

What it's made of and why it matters

Norpro's flexible cutting boards are typically composed of food-grade plastic or rubber blends designed for flexibility and durability. The exact polymer type (likely PVC, polyethylene, or silicone-based) and any surface coatings are not clearly disclosed in public materials. This matters because some flexible plastics can leach chemicals into food when exposed to heat, acidic foods, or wear, and unclear composition prevents full risk assessment.

The brand's record and disclosure

Norpro is a long-established kitchenware brand with no major food-safety recalls on record for this product line. However, the brand has not publicly disclosed material composition details, certifications (such as FDA or NSF approval), or testing for chemical migration. This silence on ingredient transparency is typical of legacy kitchenware brands but limits consumer ability to verify safety claims independently.

How it compares in its category

Flexible cutting boards sit between rigid plastic and wood options. They reduce bacterial harboring better than wood and are cheaper than high-end silicone variants, but offer less assurance of chemical purity than branded silicone-only boards. Many competitors (OXO, Rachael Ray) now offer explicit food-grade silicone or certified non-toxic plastic; Norpro's lack of equivalent marketing suggests either simpler material or lower priority on disclosure.

If you buy it

Keep cutting boards away from direct heat, stovetops, and hot water above 140F to minimize any potential chemical migration. Replace them every 1-2 years or sooner if you notice discoloration, cracking, or odor. Hand wash rather than dishwasher to reduce wear on any surface coating. Consider requesting material and coating specifications directly from Norpro before purchase if chemical sensitivity is a concern.

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.”

Possible

Plastic leaching (BPA/BPS, general plasticizers)

No public records of leaching from Norpro cutting boards, but material type is unspecified. Flexible plastics can release compounds if exposed to heat, acidic foods, or prolonged use; risk is low for unheated food prep but cannot be ruled out without material disclosure.

Possible

Coating degradation and microplastic shedding

If the board has a surface coating (unknown), regular knife contact will degrade it over time, potentially releasing microscopic particles. No specific recalls exist, but flexible boards show visible wear faster than rigid alternatives.

None known

Antimicrobial chemical residues (if added)

Some flexible boards are treated with antimicrobial agents to prevent bacterial growth; Norpro marketing does not claim this, and no testing data is public. If present, safety depends on agent type and migration rates.

Possible

Rubber or elastomer degradation products

If the boards contain rubber or elastomer components (common in flexible designs), prolonged storage in warm conditions or exposure to oils can cause breakdown and odor release. This is typically cosmetic rather than toxic but indicates material fatigue.

None known

Lead or heavy metals in colorants

Colored flexible cutting boards sometimes use pigments with trace metals. No recalls or warnings for Norpro boards specifically; FDA approval for food-contact plastics generally screens for this, but independent testing is not public.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% 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.

Safer alternatives in Silicone Cutting Mats & Prep Boards

Silikomart Silicone Grip Mat

Silikomart

Silicone Grip Mat

silicone rubber grip mat, non-coated

B
D
PFASAll
B · Low PFAS3 flags

Lower concern. Silicone grip mats rarely contain PFAS.

Risky category by default

Rockler Silicone Project Mat

Pyrex

Rockler Silicone Project Mat

silicone

B
C
PFASAll
B · Low PFAS2 flags

Silicone project mat carries lower PFAS concern.

Risky category by default

1, Size: 29cm/11.42 x 26cm/10.24 (Approx.)40cm/15.75 x 30cm/11.81 (Approx.)50cm/19.69 x 40cm/15.75 (Approx.)60cm/23.62 x

Pyrex

1, Size: 29cm/11.42 x 26cm/10.24 (Approx.)40cm/15.75 x 30cm/11.81 (Approx.)50cm/19.69 x 40cm/15.75 (Approx.)60cm/23.62 x

borosilicate glass

B
D
PFASAll
B · Low PFAS2 flags

Lower concern. Pyrex glass cookware is borosilicate, inherently PFAS-free.

Risky category by default

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.