noun, noun or participle which takes 'suru'
thermosetting
Technical term used in materials science and engineering for resins or plastics that harden irreversibly when heated.
熱硬化性樹脂は加熱すると硬化する。
Thermosetting resins harden when heated.
熱可塑性 refers to thermoplastics, which soften when heated and can be remolded, unlike 熱硬化 which hardens permanently.
Compound of 熱 (heat) and 硬化 (hardening).