Any of various usually thermosetting resins capable of forming tight cross-linked polymer structures characterized by toughness,strong adhesion,and low shrinkage,used especially in surface coatings and adhesives.

• 环氧树脂能够形成以耐磨损，强附着力和低收缩率为特征的交叉连结聚合结构的热固树脂中的一种，尤用为表面涂料和粘合剂。