LESTAC-DP Series Petroleum Resin is a brown to dark brown granular or flake thermoplastic resin, produced by ethylene and carbon fraction of the C9 reorganization divided into nine fractions of raw materials, generated by the polymerization of low molecul
LESTAC-DP Series Petroleum Resin is a brown to dark brown granular or flake thermoplastic resin, produced by ethylene and carbon fraction of the C9 reorganization divided into nine fractions of raw materials, generated by the polymerization of low molecul
