HE421 S ib yog tus qauv bisphenol A epoxy acrylate resin.Nws muaj cov yam ntxwv ntawm siab gloss, siab hardness, thiab ceev curing ceev, qhoyog ib qho ntawm cov resins hauv UV teb.Nws yog tsuas yog siv nyob rau hauv ntau yam UV txheej teb xws li electroplating bottoms, yas coatings, inks, thiab printing.