noun which may take the genitive case particle 'no'
made of aluminum; aluminum
Used as a no-adjective to describe items made of aluminum. Common in product descriptions and everyday speech.
この鍋はアルミ製で、とても軽いです。
This pot is made of aluminum and is very light.
アルミ製の窓枠は錆びにくい。
Aluminum window frames are resistant to rust.