Natsyn 2205 Cis-1,4-polyisoprene rubber 9003-31-0 Goodyear Chemical Rubber - Elastomer >> Polyisoprene rubber, IR Polyisoprene Rubber (NATSYN®) solution polymerized high cis-1,4-polyisoprene elastomers stabilized with a non-staining antioxidant. Low gel content Consistent cure rates Light color Contamination free No premastication mixing required Protein free Reproducible compounded physical properties Easier and uniform processing improved flow low water swell, low creep and compression set Contamination-free, protein-free, polymerized high cis-1,4-polyisoprene elastomer stabilized with a non-staining antioxidant. Used in mastics, cements, pressure sensitive, packaging and industrial adhesives and in automotive and industrial gaskets. Offers consistent cure rates, light color and easy and uniform processing. Provides improved flow, low water swell, creep and compression set and low gel content.