HE421S i-bisphenol ejwayelekile I-epoxy acrylate resin.Inezici zokucwebezela okuphezulu, ubulukhuni obuphezulu, kanye nesivinini sokuphulukisa ngokushesha, okuthiingenye yama-resin ayisisekelo emkhakheni we-UV.Isetshenziswa kakhulu emikhakheni ehlukahlukene yokuhlanganisa ye-UV efana nezansi ze-electroplating, ipulasitiki, oyinki, nokuphrinta.