Biodegradable Take Out Container Small Single Comp 6x6x3 - CASE
Lower concern; plant-fiber food containers typically avoid PFAS, unconfirmed.
These molded plant-fiber containers marketed as biodegradable don't typically require PFAS-based water or grease barriers. The brand offers no public PFAS statement, so independent testing would boost confidence.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Fiber-based molded pulp (plant fibers, likely sugarcane or wood)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
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.
Microfiber shedding from fiber degradation
Molded pulp can shed small fibers if wet, compressed, or stored in high humidity. While food-contact-grade pulp is generally food-safe, visible debris or soft spots indicate deterioration and should trigger replacement. No recalls specifically for Biotrem on this issue are on record.
Mold and microbial growth if wet-stored
Plant-fiber containers absorb moisture and can support mold if stored in damp conditions before use or if pre-filled food releases condensation. Proper dry storage and prompt use mitigate this. No brand-specific contamination incidents are documented.
What’s reassuring
Safe base material
Made from ceramic, mineral, or natural fiber with no PFAS risk.
Formaldehyde / VOCs
Food-grade molded pulp typically uses minimal synthetic binders; if present, formaldehyde levels in food-contact pulp are regulated to very low thresholds in most jurisdictions. No reports of excess formaldehyde off-gassing from Biotrem containers exist.
Source: ATSDR ↗Lead
Bagasse and virgin wood pulp carry no inherent heavy-metal risk if sourced from uncontaminated agricultural or forestry inputs. Biotrem does not disclose feedstock origin, but no contamination events are on public record. Standard food-contact material regulations would flag any batch with measurable heavy metals.
Source: ATSDR ↗Bleach residues (chlorine compounds)
Molded pulp may be chlorine-bleached during manufacturing to whiten and sterilize. Food-contact-grade pulp is rinsed extensively; regulatory limits on residual chlorine are strict. No testing data for Biotrem bleach residues is publicly available, but no incidents suggest noncompliance.
The full breakdown
What it's made of and why it matters
Biotrem containers are molded from plant fiber (typically bagasse from sugarcane processing or virgin wood pulp), compressed without plastic lining or synthetic coatings. This material class does not leach BPA, phthalates, or other endocrine-disrupting chemicals common to plastic food packaging. The fiber matrix is inherently resistant to degradation at room temperature and during storage of dry or cold foods, eliminating the chemical migration risk that drives concerns with petroleum-based alternatives.
The brand's record and disclosure
Biotrem maintains minimal public safety disclosure on their website; no third-party certifications (FDA, NSF, BPAC) are visible in mainstream sources. The brand does not explicitly address PFAS, heavy metals, or off-gassing, a common silence among smaller compostable-packaging producers. No recalls, contamination incidents, or regulatory warnings for Biotrem products appear in public records. Their positioning emphasizes compostability and sustainability rather than chemical safety, which is typical for the segment but limits transparency.
How it compares in its category
Molded-fiber containers rank below plastic clamshells (BPA/BPS risk) and above waxed-paper boxes (potential PFOA coatings in some brands). Unlike polystyrene foam or polypropylene, fiber pulp does not off-gas volatile organic compounds into food under normal storage. Biodegradability and compostability are strengths, but they do not address chemical safety; however, the base material profile is cleaner than single-use plastic competitors for short-term food contact.
If you buy it
Use for cold and room-temperature foods (salads, dry goods, bakery items); avoid prolonged contact with hot liquids above 65 degrees Celsius, as heat may accelerate minor fiber degradation and particle shedding. Do not microwave; direct flame contact risks charring. Replace containers if visible mold, softening, or moisture damage occurs, particularly in humid storage. Compost or discard after use; do not reuse for repeated food contact.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Biotrem 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.