Polybutylene succinate (PBS) (sometimes written polytetramethylene succinate) is a thermoplastic polymer resin of the polyester family. PBS is a biodegradable aliphatic polyester with properties that are comparable to polypropylene. Item Unit Test method Value Density g/cm3 ISO 1183 1.25 Melt Flow Index(190℃,2.16kg) g/10min ISO1133 4-7,16-20,25-30 Melting point ℃ ISO 11357 110 - 116 HDT B/T ff0.…