1 of 3 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 |
|---|---|---|---|
| beaker | borosilicate glass | non-plastic | “a premium Borosilicate heatproof glass French press beaker” listing ↗ |
| housing | chrome | non-plastic | “Designed with chrome housing” listing ↗ |
| mesh coffee filter | · | unknown | “Includes double sided mesh coffee filter to prevent majority of grit” 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.