Bagasse · Food Packaging
6 Inch Square Compostable Clamshell Containers
Lower PFAS concern; bagasse-based compostables typically avoid fluorinated coatings, but no brand disclosure verifies this.
Bagasse clamshells are made from sugarcane residue and are designed to biodegrade, materials of this type rarely require PFAS-based water or grease barriers. However, Bagasse brand provides no public statement about PFAS avoidance or third-party testing. No lab data or certifications are available to confirm the coating composition.
Shop Bagasse on Amazon →Material
bagasse (sugarcane fiber), compostable coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
food packaging is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Bagasse is the fibrous residue left after sugarcane juice extraction. These containers use bagasse pulp molded into a clamshell shape with a compostable coating (typically starch-based or polyhydroxyalkanoate/PHA) rather than plastic resin. The base material itself is inherently inert; hazard risk comes entirely from the coating layer and any post-processing chemicals applied during molding and bleaching.
The brand's record and disclosure
Bagasse as a brand has not published detailed chemical composition or independent testing data for coatings on its public materials. No major recalls or contamination incidents are documented in public sources for this specific product line. The brand's silence on PFAS, BPA, and coating composition is typical for smaller compostable-packaging vendors but limits verification of safety claims.
How it compares in its category
Bagasse clamshells avoid the PFAS-coated paperboard and plastic-lined containers common in conventional food service packaging. Compared to polystyrene foam and plastic clamshells, bagasse eliminates BPA and phthalate leaching risk. Trade-off: compostable coatings may be less moisture-resistant than fluorinated alternatives, so performance with greasy or wet foods is lower.
If you buy it
Use for room-temperature and chilled foods only; avoid microwave heating or contact with hot liquids above 60C, as polymer coatings may degrade and release constituents. Inspect containers for visible damage or delamination before reuse; discard if coating is peeling or flaking. Store in a dry place to prevent premature breakdown of the compostable coating. Dispose in industrial compost, not home compost or landfill, to realize the environmental benefit.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Compostable coating breakdown and microparticle release
Starch-based and PHA coatings are designed to degrade in industrial compost but may shed particles if damaged or exposed to prolonged moisture during storage or use. No specific testing data available for Bagasse brand; risk is material-class dependent, not brand-specific.
Bleaching residues and formaldehyde resins in bagasse pulp
Bagasse pulp is often chlorine-bleached and may contain residual aldehydes or cross-linking resins used in molding. No published analysis of Bagasse brand containers available; industry standard is to verify bleach-free or reduced-bleach processing, which this brand does not disclose.
BPA and phthalate leaching
Bagasse clamshells do not use conventional plastic resins (PET, polystyrene), so BPA and phthalate contamination is not a mechanism for this product class. Risk is eliminated by material choice.
Heavy metal contamination from food contact
Bagasse fiber and compostable polymers do not accumulate lead, cadmium, or antimony in the same manner as ceramic glazes or textile dyes. No published reports of metal leaching from bagasse-based foodware exist.
Moisture-induced coating failure and food contamination
Compostable coatings are not as water-resistant as plastic or fluorinated paperboard. Prolonged exposure to moisture or grease may cause coating separation, allowing bagasse fibers to contact food. Practical risk is low for short-term food storage but increases with time.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Food Packaging
World Centric
Compostable Fiber Compost-A-Pak Containers
Fiber-based (wood pulp/molded fiber), compostable coating
Lower-concern choice; compostable fiber with documented PFAS-free commitments, though independent lab confirmation on this specific SKU is absent.
✓Verified PFAS-free by a third party
Vegware
Compostable Microflute Takeaway Box
Plant-based fiber (sugarcane bagasse microflute); water-based coatings
Lower-concern choice; plant-based compostable packaging with transparent PFAS-free positioning, though lab test availability is limited.
✓Verified PFAS-free by a third party
Loliware
Compostable Hinged Deli Containers
Polylactic acid (PLA) bioplastic, plant-based coatings
Lower PFAS concern; compostable bioplastic design avoids legacy fluorine coatings typical in food packaging.
✓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.