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Isoprene Rubber (IR)

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Product Name: Isoprene Rubber (IR)
Product Type: other brand
Exhibitors: SEEFAR
Product Documentation: No Related Documents


The isoprene rubber is very much like natural rubber but made artificially or synthetically. The chemical name of this rubber is synthetic cis-polyisoprene. Essentially similar to natural rubber in pr

Isoprene Rubber (IR)  A detailed description of
Properties of Isoprene Rubber
  • The physical properties of IR are in general somewhat inferior to those of natural rubber but, in principle, the two types of rubber are quite similar.
  • This rubber has almost the same chemical structure as natural rubber (polyisoprene).
  • It does not contain proteins, fatty acids and the other substances that are present in natural rubber.
  • This rubber demonstrates lower green strength, slower cure rates, lower hot tear, and lower aged properties than natural rubber.
  • PR exceeds the natural types in consistency of product, cure rate, purity and processing.
  • In addition, this rubber has the unique property in mixing, extrusion, molding, and calendering processes.
  • Isoprene Rubber or synthetic polyisoprene is used in a wide variety of industries and applications requiring low water swell, high gum tensile strength, good resilience, good tack and high hot tensile.
  • Gum compounds based on IR are used in rubber bands, cut thread, baby bottle nipples, and extruded hose.
  • Black loaded compounds of this rubber find use in tires, motor mounts, shock absorber bushings, pipe gaskets, and many other molded and mechanical goods.
  • Mineral filled systems find applications in footwear, sponge, and sporting goods.
  • Recent reports about allergic reactions to proteins present in natural rubber have prompted increased usage of the more pure IR in various applications.
Synthetic polyisoprene or IR represents one of the important classes of polymers produced in a solution medium. Modern techniques have permitted the production of a synthetic analog of natural rubber with improved uniformity and processing.
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