RHR 402 Refined hydrogenated rosin Wuzhou Sun Shine Tackifier >> Rosin >> Hydrogenated rosin ADHESIVE >> Hot-melt Refined Hydrogenated Rosin RHR-402 This series of products are refined from hydrogenated rosin or High-hydrogenated rosin that are eliminated foreign matter and the coloring radical. Use in solid or liquid solder flux, hot melt adhesive and for the raw material of light-colored resin Refined hydrogenated rosin. Used as a tackifier in hot melt adhesives.