technical grade

/ˈtɛknɪkəl ɡreɪd/
adjective
  1. Of a quality suitable for industrial or professional use, but not necessarily pure or refined enough for consumer or medical use.
    • Technical-grade chemicals are often cheaper than pharmaceutical-grade ones.
    • The lab ordered technical-grade ethanol for cleaning equipment.
    • They used technical-grade solvents in the manufacturing process.
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