Wilton · Silicone Cutting Mats & Prep Boards
Westcott Projectmate Silicone Non-Stick Craft Mat
Silicone craft mat carries lower PFAS concern. No brand disclosure.
Silicone is inherently PFAS-free. Wilton makes no PFAS claims and product is not typically treated with water or stain resistant coatings. Silent on composition details.
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Material
Silicone non-stick surface
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.
Category baseline
cookware is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
This product is a silicone non-stick mat, not traditional cookware with ceramic glaze or Teflon-type coating. Silicone is a synthetic polymer with high heat stability and low chemical reactivity, meaning it does not leach lead, cadmium, or aluminum the way ceramic-glazed or metal cookware can. The primary concern with silicone is whether it degrades under heat or mechanical stress, releasing oligomers (small silicone fragments) into food or craft materials, but food-grade silicone mats are designed to resist this below typical use temperatures.
The brand's record and disclosure
Wilton (the parent brand) is a cookware and baking supplies manufacturer with no known major safety recalls for silicone mats. The company does not publish detailed material safety or PFAS disclosure statements for this product category. Wilton has not publicly committed to PFAS-free formulations or third-party testing transparency, but this silence is standard across craft-mat makers rather than a red flag unique to Wilton. No established controversies link Wilton silicone mats to chemical safety failures.
How it compares in its category
Silicone mats occupy a lower-risk position than Teflon-type coating non-stick cookware (which can off-gas fumes if overheated), ceramic-glazed bakeware (which may contain lead in decorative glazes), or stainless steel with unknown coatings. Compared to reusable craft mats made from rubber or PVC, silicone offers better temperature tolerance and lower volatile organic compound (VOC) off-gassing. This product is safer than average for its intended craft and baking use case.
If you buy it
Store and use this mat below 400°F to avoid potential silicone degradation and oligomer shedding; verify the specific heat rating on the product label. Wash it by hand or in the dishwasher after each use to remove dried residue, which can trap bacteria. Replace the mat if you notice discoloration, tears, or a persistent chemical smell, which may signal polymer breakdown. Keep it away from sharp metal tools that can puncture the surface and accelerate wear.
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 oligomer leaching
Food-grade silicone can release small silicone chains (oligomers) when heated above recommended limits or mechanically stressed. Westcott mats are designed for craft use, not direct food contact; if used for baking, staying below 400°F and following manufacturer guidance minimizes this risk.
Coating degradation over time
Repeated washing, sharp utensil contact, and UV exposure can degrade silicone surface integrity. Visible tears or persistent odor signals the mat should be replaced to avoid material flaking into crafts or food.
Lead or cadmium in colorants
No recalls or test reports document heavy metals in pigments used to color Westcott silicone mats. Silicone pigmentation is generally safer than ceramic glaze colorants, but brand does not disclose pigment sourcing.
VOC or formaldehyde off-gassing
Silicone formulations do not typically release formaldehyde or high VOCs, unlike some PVC or rubber craft mats. No off-gassing complaints are on record for this product.
Bacterial growth if stored wet
Any porous or poorly sealed craft mat stored damp can harbor mold or bacteria. Dry this mat completely before storage to prevent microbial colonization, especially if used for food preparation.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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
silicone rubber grip mat, non-coated
Lower concern. Silicone grip mats rarely contain PFAS.
⚠Risky category by default
Pyrex
Rockler Silicone Project Mat
silicone
Silicone project mat carries lower PFAS concern.
⚠Risky category by default
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
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.