Dart Container · Food Packaging
Dart ProPlanet Hinged Take-Out Container
Avoid until Dart confirms the coating is PFAS-free.
Dart's molded fiber containers market sustainability but hide their coating formula. Food-contact paperboard coatings frequently contain PFAS.
The better-graded swap
Eco-Products
Eco Products WorldView Compostable Take-Out Containers EP-SCRC32
100/100 safety
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/paperboard with proprietary coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Dart ProPlanet Hinged Take-Out Container is made of, ingredients and materials
Dart ProPlanet containers are molded fiber (recycled paper pulp) with a proprietary water-resistant coating. Molded fiber itself is relatively inert, but the coating's chemical identity is critical, if it contains PFAS-based water and grease repellents (standard in the food packaging industry), those compounds can migrate into food, particularly fatty or acidic items. The ProPlanet line markets sustainability, but material safety and environmental safety are separate concerns.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
PFAS
Proprietary coating composition is undisclosed; PFAS-based repellents are standard in molded fiber food packaging. Until Dart confirms otherwise, this must be assumed a plausible pathway for PFAS migration to food.
Source, ATSDR ↗Coating leachates (unspecified chemistry)
Non-PFAS coating chemicals (e.g., phenolic resins, urea-formaldehyde, or other synthetic binders) may leach into fatty or acidic foods. Heating accelerates this risk. No public data on ProPlanet coating leaching rates are available.
Microplastics
If the coating contains synthetic polymers or degraded plastic-like materials, wear, folding, or heat exposure could release particles into food. Molded fiber itself does not create microplastics, but the coating could.
Source, EPA ↗Migration of adhesives or binders used in pulp processing
Molded fiber production uses starches, binders, and sometimes chemical de-inking agents. If not fully cured or sealed, trace residues can leach into high-fat foods. Dart does not publicly detail its pulp treatment.
What’s reassuring
Cadmium
Molded fiber containers are typically uncolored or minimally pigmented. No evidence of heavy metal contamination in Dart ProPlanet product testing or recalls exists.
Source, ATSDR ↗How is this PFAS grade calculated?
The brand's record and disclosure
Dart Container has not publicly disclosed the composition of its proprietary coating for ProPlanet containers or confirmed PFAS-free status despite industry pressure. The brand has not pursued certifications like FDA approval specific to coating chemistry, nor has it issued recalls or warnings tied to this product line. Dart's silence on PFAS and coating constituents is notable given competitors' transparency moves; this lack of disclosure is the primary risk flag.
How it compares in its category
Molded fiber hinged containers occupy the middle ground between plastic clamshells (higher chemical leaching risk, microplastic concern) and uncoated cardboard (poor grease resistance, unsuitable for wet foods). ProPlanet positions itself as eco-conscious, but many competitors (notably compostable and PFAS-free certified options) now disclose coating details transparently. Dart's opacity on this point makes ProPlanet less defensible than labeled alternatives.
If you buy it
Use ProPlanet containers for room-temperature or cold foods only; avoid prolonged contact with hot, fatty, or acidic items until coating chemistry is further evaluated. Do not microwave or subject to sustained heat above 70°C (158°F), as coating degradation and potential migration increase. Replace containers if visible wear, discoloration, or coating flaking occurs. Contact Dart directly requesting a certificate of PFAS-free status or detailed coating composition before committing to large-volume use.
What is not known about PFAS in this product?
- Basis
- Model estimate, 42% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Dart Container has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Dart ProPlanet Hinged Take-Out Container?
- 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
Eco Products WorldView Compostable Take-Out Containers EP-SCRC32
- 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
- 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.