... advantages of both C5 and C9 resins. Application: C5/C9 copolymer resins are widely used in hot-melt ... melt adhesive, adhesive, glue industry, C5/C9 copolymer resins not only provides good initial tack, but also ... adjust the longevity and strength of adhesion as rosin resins itemH25H30H50H75test methodAppearancepastillepastillepastillepastilleeyeballingSoftening point °C90-12090-12090-110100±5Roll & ...