... natural rubber (NR), synthetic rubber, Ethylene Vinyl Acetate (EVA) and styrene block copolymer such as SIS, SBS, SEBS, SEPS. Additionally, they ... recent years, C5 petroleum resins are gradually replacing the natural resin tackier(such as terpene and rosin) due to its advantages ... polymer basis, economic price. 2. Properties of C5 Hydrocarbon resin in the Hot Melt Adhesive: a. Good fluidity which can ...