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Polyisoprene Rubber (IR)

Polyisoprene Rubber (IR) in Rubbertradeasia

HS Code





SKI 3 - Russia
SKI 3S - Russia
SKI 5 PM - -

Polyisoprene rubber (IR) is a synthetic rubber that closely resembles natural rubber in molecular structure as well as in properties. It is an inexpensive elastomer with good fatigue resistance. Thus, it is a good choice for dynamic applications at low and ambient temperatures. The temperature working range is approximately at -50°C to +100°C. It is highly elastic and used to make tyres.

Polyisoprene rubber is produced by the polymerization of synthetic isoprene that is obtained from the thermal cracking of naphtha fraction of petroleum. The polymerization process is conducted in solution using anionic and Ziegler-Natta catalysts. The result is cis-1,4 polyisoprene approximately at 98%.

1. Tires Industry: 
Polyisoprene rubber is mainly used for tire manufacturing due to its outstanding strength and excellent compression set. 
2. Mechanical Industry: 
Black loaded polyisoprene is usually used for motor mounts, pipe gaskets, and shock absorber bushings.
3. Shoes Industry: 
Polyisoprene rubber is used in the footwear industry due to its low water swell and high gum tensile strength. 

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