I-HE421F iyi-oligomer e-epoxy acrylate. Inejubane lokuphulukisa ngokushesha, ukumelana nokuphuzi okuhle, futhi iyonga imali eningi ekuhlanganisweni kwe-UV/EB eyelaphekayo, ekufakweni kukayinki. I-HE421F ingasetshenziswa kuma-substrates ahlukahlukene, okuhlanganisa amapulasitiki, izinsimbi, nokhuni.