PFAS25/ 100Poor
Overall13/ 100Bad
Chinet StrongHolder Molded Fiber Food Trays 9 x 12 x 1

Chinet · Food Packaging

Chinet StrongHolder Molded Fiber Food Trays 9 x 12 x 1

Poor

Molded fiber food trays; coating composition undisclosed, skip if PFAS-sensitive.

Verdict · SkipMolded fiber trays have lower concern for cold/room-temp food, but undisclosed water-resistant coating and potential PFAS concerns warrant cautious use and avoiding high-heat applications.

Chinet's molded fiber trays lack PFAS disclosure. Water-resistant treatment composition is unspecified; PFAS-free status unclear without third-party testing.

The better-graded swap

World Centric Compostable Fiber Compost-A-Pak Containers

World Centric

World Centric Compostable Fiber Compost-A-Pak Containers

95/100 safety

95Excellent

Same rubric that flunked this product. The swap earned Excellent.

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

Material

Molded fiber with water-resistant coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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

What Chinet StrongHolder Fiber Food Trays is made of, ingredients and materials

Chinet StrongHolder trays are molded fiber, a composite of recycled paper and wood pulp pressed into shape. The 'water-resistant coating' mentioned on packaging is the critical unknown, manufacturers typically use either wax-based or fluorochemical-based treatments to repel moisture and grease. Chinet has not publicly disclosed which type is used in this line. Molded fiber itself is inert, but the coating's composition determines whether food contact poses leaching risks.

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
♾️

Category baseline

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

75/ 100
♾️

No PFAS disclosure

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

85/ 100
♾️

Coating leachables (fluorochemical or wax-based)

The water-resistant treatment is undisclosed. Fluorochemical coatings would introduce PFAS; wax-based coatings present lower concern but still warrant caution if product is heated or exposed to acidic foods over extended storage. No independent testing on record for this specific product.

70/ 100
🫧

Microplastic migration from coating degradation

Repeated moisture exposure and wear can cause coating to flake or degrade. While molded fiber itself does not produce microplastics, coating fragments could theoretically contaminate food, particularly with greasy or acidic items. Risk is low under normal use but increases with product age or damage.

70/ 100
🍳

Bacterial or mold growth if moisture-trapped in coating

The water-resistant coating can trap moisture between layers if the tray is not fully dried after washing or storage. This is a hygiene rather than chemical hazard but worth noting for high-moisture foods or humid storage conditions.

70/ 100

What’s reassuring

💨

Formaldehyde / VOCs

Molded fiber typically uses urea-formaldehyde or melamine-formaldehyde binders. Off-gassing is minimal at room temperature and well below regulated thresholds for food contact, though not independently verified for this product line.

Source, ATSDR ↗
95/ 100
⛏️

Heavy metals

Recycled paper and pulp may contain trace metals or legacy inks from prior use. Chinet does not disclose screening protocols. FDA migration limits should apply, but no specific testing data is publicly available for this product.

Source, FDA ↗
95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

Huhtamaki (Chinet's parent company) has made limited public commitments on PFAS phase-out in foodware, and does not routinely disclose coating chemistry for molded fiber products. The company has not faced major recalls for this product line, but transparency around the water-resistant treatment remains absent from consumer-facing materials. No third-party certifications (e.g., FDA compliance statements or independent testing) are prominently marketed for these trays.

How it compares in its category

Molded fiber trays occupy a middle ground, lower concern than polystyrene foam (which can leach styrene) and lower-microplastic risk than plastic clamshells, but the coating composition is less transparent than some competitors' products. Many brands now explicitly certify their molded fiber as PFAS-free; Chinet's silence on this point is a relative weakness. Cost and durability are competitive, but the coating uncertainty makes them less ideal for chemically cautious consumers.

If you buy it

Use these trays for cold or room-temperature foods only; do not microwave or expose to hot liquids, which could increase coating leaching. Replace immediately if visible wear, cracks, or delamination appears. For frequent use, consider alternating with uncoated ceramic or glass alternatives. Compostability is a plus, but only if your facility accepts molded fiber; home composting does not reliably break down the coating.

What is not known about PFAS in this product?

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Chinet has made none

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

What are the PFAS-free alternatives to Chinet StrongHolder Molded Fiber Food Trays 9 x 12 x 1?

Matter Compostable Food Storage Container 5ct

Matter

Compostable Food Storage Container 5ct

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Plant-based fiber pulp (compostable)
  • A third party reports verifying it as PFAS-free
  • Microbe/mold growth if stored damp

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

Eco Products WorldView Compostable Take-Out Containers EP-SCRC32

Eco-Products

Eco Products WorldView Compostable Take-Out Containers EP-SCRC32

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Plant-based fiber (compostable sugarcane bagasse)
  • A third party reports verifying it as PFAS-free
  • Bleaching agents and processing residues

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

Eco-Products WorldView Sugarcane Take-Out Containers

Eco-Products

WorldView Sugarcane Take-Out Containers

100ExcellentPFAS grade
✓ BPI Certified Compostable
  • Sugarcane bagasse (post-consumer fiber)
  • A third party reports verifying it as PFAS-free
  • Cellulose fiber degradation and food contact

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

More food packaging 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.