PFAS15/ 100Bad
Overall0/ 100Bad
Oster Teston Platinum Collection Nonstick Carbon Steel Cookie Sheet

Oster · Toaster Ovens

Oster Teston Platinum Collection Nonstick Carbon Steel Cookie Sheet

Bad

Avoid until coating transparency improves; nonstick source unknown.

Verdict · SkipCarbon steel sheet itself has no hazard of this kind on record; nonstick coating origin unknown and PFAS risk unconfirmed. Use with caution pending Oster transparency; avoid overheating.

Oster does not reveal what nonstick coating this carbon steel sheet uses. Industry practice suggests traditional Teflon-type coating or Teflon-family coating are common, but brand confirmation is missing.

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

Material

Carbon steel with unspecified nonstick coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

You may also be interested in

Top-graded picks in the categories readers replace first, every one scored on the same rubric.

  • polypropylene filter housing, carbon/sediment cartridge
  • We found no PFAS statement from the brand
  • Bacterial growth in spent cartridges

3 hazards checked on this product, all on its full breakdown.

  • RO membrane, carbon filters, stainless steel housing
  • We found no PFAS statement from the brand
  • Bacterial and microbial growth in housing and filters

4 hazards checked on this product, all on its full breakdown.

Avocado Vegan Mattress

Avocado

Vegan Mattress

100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
  • organic cotton, natural latex, coconut coir, recycled steel coils
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product, all on its full breakdown.

What Oster Teston Platinum Cookie Sheet is made of, ingredients and materials

This is a carbon steel baking sheet with an unspecified nonstick coating. Carbon steel itself is chemically inert and durable at typical baking temperatures (up to 500F for most coatings). The real safety question is the coating, Oster does not publicly disclose whether it uses Teflon-type coating (Teflon), silicone, ceramic, or another polymer. Without that transparency, you cannot rule out Teflon-type coating thermal decomposition risk or PFAS migration into food at high heat or if the coating degrades.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Non-stick, chemistry undisclosed

Marketed as non-stick without stating the coating chemistry.

60/ 100
♾️

Nonstick coating thermal decomposition (Teflon-type coating if used)

Oster has not disclosed the nonstick polymer. If it is Teflon-type coating, heating above 500F can release toxic fumes (polymer fume fever). Normal baking stays below this, but broiler use or accidental overheating poses risk. Absence of disclosure makes this assessment speculative but warrants precaution.

70/ 100
🍂

Coating wear and flaking

Carbon steel nonstick coatings typically degrade within 2-5 years of regular use, especially if washed improperly. Flaking or peeling coating can be ingested; degraded coatings may also leach substrate or adhesive residues. Monitor for visible wear.

20/ 100
🍂

Coating adhesion and food contact

Unknown coating formulation means adhesive chemistry is also opaque. Poor adhesion can allow coating-to-food migration or substrate contact. This risk is elevated by Oster's refusal to publish material specifications.

70/ 100

What’s reassuring

✅

Aluminum leaching

This is carbon steel, not aluminum. Aluminum migration is not a hazard for this product material.

95/ 100
🧠

Lead

No recalls or public reports link Oster's carbon steel sheets to lead or cadmium contamination. Carbon steel sheet itself does not typically contain these; risk would be in coating adhesives, which Oster does not disclose.

Source, ATSDR ↗
95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

Oster (a Jarden brand owned by Newell Brands) has not published coating formulation details, PFAS testing results, or commitment to PFAS-free manufacturing for this product line. No major recalls specific to this model appear in CPSC records. The silence on nonstick chemistry is the primary concern; comparable brands like Caraway and GreenPan explicitly market Teflon-type coating-free or ceramic coatings, while Oster remains opaque.

How it compares in its category

Cookie sheets and baking pans vary widely, traditional uncoated steel and cast iron have no coating risk but require seasoning; ceramic or silicone-coated options present lower concern alternatives; Teflon-type coating-coated budget options carry thermal and PFAS concerns. Oster's refusal to specify places this in the middle-ground uncertainty category. For the same price, explicitly lower-concern or uncoated carbon steel pans are available from competitors.

If you buy it

Keep oven temperature at or below 400F to minimize any coating off-gassing or decomposition risk. Inspect the coating regularly for chips, scratches, or peeling; discard the sheet if the coating degrades, as flakes and any underlying leachables become a concern. Hand wash gently to preserve the coating; avoid metal utensils and abrasive scourers. Consider it a temporary tool until you can verify Oster's coating chemistry or switch to a certified PFAS-free or ceramic alternative.

What is not known about PFAS in this product?

Basis
Model estimate, 35% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Oster has made none

Formulations change between production runs, so check the current label. How we grade.

What are the PFAS-free alternatives to Oster Teston Platinum Collection Nonstick Carbon Steel Cookie Sheet?

  • Porcelain enamel coating on steel
  • Enamel chipping and steel exposure
Find an alternative on Amazon
Cuisinart Toaster Oven Broiling Pan with Rack

Cuisinart

Toaster Oven Broiling Pan with Rack

65GoodPFAS grade
  • Steel pan and rack; no nonstick coating
  • Rust and corrosion over time

2 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon

More toaster ovens 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.