Does Karat food packaging have PFAS?
Karat food packaging averages 71 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Karat food packaging products graded as of October 2026, above the 33 out of 100 median for the 39 other food packaging brands graded alongside it.
Karat food packaging averages Good on our four-band scale. 7 of the 8 we graded are worth buying.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Karat food packaging worth buying Good or better, best-graded first
- PLA (polylactic acid) bioplastic
- A third party reports verifying it as PFAS-free
- Microplastics, PLA can release oligomers and monomers if heated above its glass transition temperature…
3 hazards checked on this product, all on its full breakdown.
- bagasse (sugarcane fiber), uncoated
- The brand calls it PFAS-free, which we have not verified
- Mold and microbial growth. Bagasse is cellulose-based and absorbs moisture. If stored in damp conditions or…
3 hazards checked on this product, all on its full breakdown.
- Bagasse (sugarcane fiber), uncoated
- We found no PFAS statement from the brand
- Microbiological growth (mold, bacteria) on cellulose substrate. Uncoated fiber is hygroscopic and supports…
2 hazards checked on this product, all on its full breakdown.
- PLA (polylactic acid) bioplastic
- We found no PFAS statement from the brand
- PLA monomer and oligomer migration. Lactic acid oligomers can migrate into fatty or acidic foods under…
3 hazards checked on this product, all on its full breakdown.
- Bagasse (sugarcane fiber pulp)
- We found no PFAS statement from the brand
- Microplastics. Bagasse is a loose pulp matrix held together by minimal binder. In hot, wet, or oily…
3 hazards checked on this product, all on its full breakdown.
- PLA (polylactic acid) bioplastic, plant-based
- We found no PFAS statement from the brand
- Thermal leaching of PLA monomers and additives, PLA containers can release trace lactic acid oligomers and…
3 hazards checked on this product, all on its full breakdown.
- PLA (polylactic acid) bioplastic, hinged container
- We found no PFAS statement from the brand
- Microplastics, PLA is prone to brittleness and stress-cracking over months to years, especially with hinged…
3 hazards checked on this product, all on its full breakdown.
Which Karat food packaging contains PFAS? Poor and Bad, we’d swap these
- paper with waterproof coating, type unspecified
- We found no PFAS statement from the brand
- PFAS. Coating identity is not disclosed. If wax or food-grade polymer-based, concern is low; if alternative…
Better food packaging from other brands
Graded higher than the Karat average of 71.
- 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.
The same question, asked of the other food packaging brands
Best average grade first. Karat averages 71.
See every Karat product we grade on the Karat brand page, or the full food packaging ranking.