不ふ揮き発はつ成せい分ぶん

noun

nonvolatile component; nonvolatile constituent

Chemistry term for a substance that does not readily evaporate under normal conditions. Often contrasted with 揮発成分 (volatile component).

See also: 揮発成分

• この塗と料りょうの不ふ揮き発はつ成せい分ぶんは約やく60%です。

  The nonvolatile content of this paint is about 60%.

• 不ふ揮き発はつ成せい分ぶんを分ぶん析せきするために試し料りょうを加か熱ねつした。

  The sample was heated to analyze the nonvolatile components.