硬こう化か剤ざい

noun

hardener; curing agent; stiffening agent

Technical term used in chemistry, materials science, and manufacturing for a substance that causes another material to harden or cure.

• エポキシ樹じゅ脂しには硬こう化か剤ざいが必ひつ要ようです。

  Epoxy resin requires a hardener.

• この接せっ着ちゃく剤ざいは硬こう化か剤ざいを混まぜると固かたまります。

  This adhesive hardens when mixed with a curing agent.