SINOMER® UVE3421 是一款 tetrafunctional o-cresol novolac 环氧丙烯酸酯 oligomer 具有高 acid value. It exhibits 良好 heat resistance, 卓越的 electrical insulation, 高表面硬度,及wear resistance. It delivers outstanding 附着力用于 substrates such 作为 copper, other metals,及glass. Its 高 acid value makes it readily soluble 于 alkaline solutions, classifying it 作为 a typical alkali-developable photosensitive 树脂.
