Properties and applications of commercially important elastomers, Table

Properties and applications of commercially important elastomers, Table

Table 1: Properties and Applications of Commercially Important Elastomers
Polymer type glass transition 
temperature (° C)  
 melting tem- 
 perature (° C)  heat 
 resistance*  oil 
 resistance*  flex 
 resistance*  typical products and 
Polyisoprene (natural rubber, isoprene rubber) (industrial polymers, major)    -70    25  P  P  E  tires, springs, shoes, adhesives
Styrene-butadiene copolymer (industrial polymers, major)
    (styrene-butadiene rubber) (industrial polymers, major)    -60    —  P  P  G  tire treads, adhesives, belts
Polybutadiene (butadiene rubber) (industrial polymers, major)    -100     5  P  P  F  tire treads, shoes, conveyor belts
Acrylonitrile-butadiene copolymer (industrial polymers, major)
    (nitrile rubber) (industrial polymers, major)    -50 to -25     —  G  G  F  fuel hoses, gaskets, rollers
Isobutylene-isoprene copolymer (industrial polymers, major)
    (butyl rubber) (industrial polymers, major)    -70    -5  F  P  F  tire liners, window strips
Ethylene-propylene monomer (EPM) (industrial polymers, major),
    ethylene-propylene-diene monomer (EPDM) (industrial polymers, major)    -55    —  F  P  F  flexible seals, electrical insulation
Polychloroprene (neoprene) (industrial polymers, major)    -50   25  G  G  G  hoses, belts, springs, gaskets
Polysulfide (Thiokol) (industrial polymers, major)    -50    —  F  E  F  seals, gaskets, rocket propellants
Polydimethyl siloxane (silicone) (industrial polymers, major)    -125    -50  G  F  F  seals, gaskets, surgical implants
Fluoroelastomer (industrial polymers, major)    -10    —  E  E  F  O-rings, seals, gaskets
Polyacrylate elastomer (industrial polymers, major)    -15 to -40    —  G  G  F  hoses, belts, seals, coated fabrics
Polyethylene (chlorinated, chlorosulfonated) (industrial polymers, major)    -70    —  G  G  F  O-rings, seals, gaskets
Styrene-isoprene-styrene (SIS), styrene- (industrial polymers, major)
    butadiene-styrene (SBS) block copolymer (industrial polymers, major)    -60    —  P  P  F  automotive parts, shoes, adhesives
EPDM-polypropylene blend (industrial polymers, major)    -50    —  F  P  F  shoes, flexible covers
See as table:
*E = excellent, G = good, F = fair, P = poor

* * *

Universalium. 2010.

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