1.Synthetic Rubber 2.Origin:petrochina 3.Packing:20kg PP woven bag. 4.shipment:within March or April. Synthetic Rubber:Styrene, butadiene, styrene-butadiene block copolymer thermoplastic elastomer with good processing capabilities (without curing), and tensile strength, surface friction coefficient and other properties.use:SBST172:Used for shoes, rubber-modified, resin-modified and other fields. ...