2 of 4 parts have unknown materials. We score only from captured evidence and never guess a material, so unknown parts count against the score and lower our confidence. If a seller confirms these materials, the score changes.
Where to buy
Parts & evidence
| Part | Material | State | Evidence |
|---|---|---|---|
| body | 18/8 Stainless Steel | non-plastic | “18/8 Stainless Steel (kitchen-grade stainless steel so it's puncture and rust–resistant)” listing ↗ |
| ceramic lining | Ceramic | non-plastic | “DuraSip™ Ceramic Lining” listing ↗ |
| filter | · | unknown | “GroundsControl Filter stops the brewing process to lock in flavor” listing ↗ |
| lid | · | unknown | “With twist-to-lock lid” listing ↗ |
Research on plastic in french presses
Official
Peer-reviewed journals, government agencies, and standards bodies.
“We found that food containers exposed to high-temperature released more than 10 million microplastics per mL in water.”
Unofficial
NGO guides, independent testing, teardowns, and documented community reports.
“No polymer in the hot-water path when the carafe is glass or steel”
Quoted verbatim and linked to the source. We make no health claims of our own. Read the sources and judge them yourself.
Seller links may be affiliate links. Disclosure. We state observed evidence, not verdicts. See the scoring rubric.