The phrase identifies espresso brewing units constructed with out plastic parts. This usually entails supplies equivalent to stainless-steel, glass, ceramic, or wooden within the building of the machine’s housing and inner elements that come into contact with water or espresso grounds. Examples embody French presses with glass carafes and stainless-steel plungers, pour-over units made solely of ceramic, and percolators constructed primarily of stainless-steel.
Gadgets using non-plastic supplies are gaining traction as a consequence of perceived well being advantages, environmental considerations, and potential aesthetic benefits. Many people search to reduce their publicity to plastics and potential leaching of chemical compounds throughout the brewing course of. Moreover, deciding on sturdy, non-plastic options usually aligns with sustainable consumption practices. Traditionally, espresso makers have been usually constructed from steel and glass earlier than the widespread adoption of plastic in manufacturing.
