BioPak Takeout Boxes, Set of 10 Medium
Wait until BioPak clarifies coating makeup; PFAS risk on food-contact paperboard remains unclear.
Molded fiber takeout boxes are marketed as eco-friendly, but BioPak doesn't publicly disclose water-resistant coating contents. Many compostable food containers use PFOA and PFAS repellents.
The safe swap
Loliware
Karat Earth Eco-Friendly PLA Round Deli Container
95/100 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 unspecified water-resistant coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Waterproof / stain-resistant treatment
Water-repellent treatments have historically contained PFAS chemicals.
No PFAS disclosure
The company has not publicly discussed PFAS in this product.
Category baseline
food packaging is a category where PFAS exposure is more common.
PFAS
Molded fiber takeout boxes commonly use PFAS-based grease-resistant coatings. BioPak has not disclosed whether this product uses PFAS-free alternatives; coating migration to food is most likely with hot, fatty, or acidic contents.
Source: ATSDR ↗Microplastics
If the water-resistant coating degrades (scratching, peeling, heat exposure), particles may transfer to food. Without specification of coating binder type, risk cannot be ruled out for long-term or repeated-use scenarios.
Source: EPA ↗What’s reassuring
Ink or dye transfer (exterior printing)
No specific recalls or reports link BioPak box inks to hazards. Food-contact regulations in Australia and EU restrict heavy metals and azo dyes; exterior printing should not migrate inward if handled normally.
Formaldehyde / VOCs
Molded fiber manufacturing may involve formaldehyde-based binders, but finished products typically off-gas minimally. No public data on BioPak boxes specifically; standard molded-fiber boxes comply with FDA indirect additive limits.
Source: ATSDR ↗Bacterial growth or mold from moisture retention
Molded fiber can retain moisture if stored in humid conditions; however, this is a use/storage issue, not a product defect. Standard food-safety handling (dry storage, timely use) mitigates risk.
The full breakdown
What it's made of and why it matters
BioPak Takeout Boxes are molded fiber (recycled paper pulp) with an unspecified water-resistant coating. Molded fiber itself is inert, but the coating's identity is critical: many food-contact paperboard coatings historically relied on PFAS-based formulations for grease resistance. Without BioPak's disclosure of whether they use PFAS-free coatings, you cannot verify if the food-contact surface sheds harmful fluorinated compounds into fatty or acidic foods.
The brand's record and disclosure
BioPak, an Australian food-packaging company, positions itself as sustainability-focused but has not publicly released detailed material disclosures or PFAS statements on its takeout box coatings. This silence on a material-safety issue that competitors increasingly address is a transparency red flag. No major recalls or hazard reports specific to BioPak boxes are on record, but lack of negative data does not confirm safety when formulations are undisclosed.
How it compares in its category
Molded fiber boxes are a middle ground: safer than some plastic clamshells (which may leach BPA or phthalates) but depend entirely on coating chemistry. Competitors like Footprint and some retailers now explicitly state PFAS-free or compostable coatings; BioPak's silence puts it behind the transparency curve. For short-term, room-temperature food (cold pasta, sandwiches, baked goods), molded fiber is low-risk; for hot, oily, or acidic contents, uncoated or verified-PFAS-free options are preferable.
If you buy it
Reserve these boxes for cold or room-temperature foods; avoid prolonged contact with hot items, fatty sauces, or acidic foods (citrus, vinegar) that can increase coating migration. Do not microwave. Replace boxes after 1, 2 uses or if the interior shows visible wear or discoloration. Contact BioPak directly to request a safety data sheet or PFAS-status confirmation before using for sensitive foods (children's meals, frequent consumption).
What we don’t know
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- has made none
Formulations change between production runs, so check the current label. How we grade.
Safer alternatives in Food Packaging
World Centric
Compostable Fiber Compost-A-Pak Containers
Fiber-based (wood pulp/molded fiber), compostable coating
Proprietary coating chemical migration
Limited concern
Moisture and microbial growth in fiber matrix
Limited concern
Coating degradation under heat or fatty foods
Moderate concern
Recycling contamination if misdisposed
Limited concern
Lower concern with documented PFAS-free commitments, though independent lab confirmation on this specific product absent.
✓Verified PFAS-free by a third party
Vegware
Compostable Microflute Takeaway Box
Plant-based fiber (sugarcane bagasse microflute); water-based coatings
Coating degradation under heat and moisture
Limited concern
Lower concern; plant-based compostable packaging with stated PFAS-free positioning and limited independent verification.
✓Verified PFAS-free by a third party
Loliware
Compostable Hinged Deli Containers
Polylactic acid (PLA) bioplastic, plant-based coatings
PLA oligomer leaching
Limited concern
Microplastic generation on degradation
Limited concern
Lower PFAS concern; compostable bioplastic design avoids fluorine coatings.
✓Verified PFAS-free by a third party
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.