Polyisoprene Rubbers (IR)

Polyisoprene rubber appears as a highly elastic, amber to light brown elastomer with exceptional resilience and flexibility. Key features include high tensile strength, outstanding elasticity, excellent tack, good processing characteristics, excellent resilience, low heat buildup, and good low-temperature flexibility. Polyisoprene finds applications in medical devices, high-performance tires, and vibration isolation components. 

Natural rubber serves as both an alternative and competitor to synthetic polyisoprene. Current trends involve developing specialized grades for medical applications and sustainable production methods. Polyisoprene is available in several forms, including high-cis polyisoprene, trans-polyisoprene, and liquid polyisoprene.