Synhipol UV-7721H is a multiphase antioxidant stabilizer based on polyhydroxy compounds,can full replace Genorad 21, classified as a radical-trapping inhibitor for UV-curable materials. It effectively prevents unintended polymerization during post-processing and long-term storage, significantly enhancing product stability. This product is particularly suitable for systems containing silver powders or mixed organic/inorganic components. It is benzene-free, VOC-free, and easy to incorporate.