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Synthetic rubber is any type of artificial elastomer, invariably a polymer. An elastomer is a material with the mechanical (or material) property that it can undergo much more elastic deformation under stress than most materials and still return to its previous size without permanent deformation. Synthetic rubber serves as a substitute for natural rubber in many cases, especially when improved material properties are required.

Table of common synthetic rubbers
ISO Standard Code Technical Name Common Names
BIIR Bromo Isobutylene Isoprene Bromobutyl
BR Polybutadiene Buna CB
CIIR Chloro Isobutylene Isoprene Chlorobutyl, Butyl
CR Polychloroprene Chloroprene, Neoprene
CSM Chlorosulphonated Polyethylene Hypalon
ECO Epichlorohydrin ECO, Epichlorohydrin, Epichlore, Epichloridrine
EP Ethylene Propylene  
EPDM Ethylene Propylene Diene Monomer EPDM, Nordel
FKM Fluoronated Hydrocarbon Viton, Kalrez, Fluorel
FVQM Fluoro Silicone FVQM
HNBR Hydrogenated Nitrile Butadiene HNBR
IR Polyisoprene (Synthetic) Natural Rubber
IIR Isobutylene Isoprene Butyl Butyl
MVQ Methyl Vinyl Silicone Silicone Rubber
NBR Acrylonitrile Butadiene NBR, Nitrile rubber, Perbunan, Buna-N
PU Polyurethane PU, Polyurethane
SBR Styrene Butadiene SBR, Buna-S, GRS, Buna VSL, Buna SE
SEBS Styrene Ethylene/Butylene Styrene SEBS Rubber
SI Polysiloxane Silicone Rubber
XNBR Acrylonitrile Butadiene Carboxy Monomer XNBR, Carboxylated Nitrile

In addition the term Gum Rubber is sometimes used to describe the tree-derived Natural Rubber [code NR], and to distinguish it from synthetic Natural Rubber [code IR].

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What is EPDM rubber?

EPDM rubber (ethylene propylene diene Monomer (M-class) rubber), a type of synthetic rubber, is an elastomer which is characterized by wide range of applications.

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What is SBR rubber?

Styrene-Butadiene or Styrene-Butadiene-Rubber (SBR) is a synthetic rubber copolymer consisting of styrene and butadiene.

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What is NBR rubber?

Nitrile rubber, or Buna-N, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. Some trade names are: Nipol, Krynac and Europrene.

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What is Natural rubber?

Natural rubber (NR) is an elastomer (an elastic hydrocarbon polymer) that was originally derived from a milky colloidal suspension, or latex, found in the sap of some plants.

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What is PVC?

Polyvinyl chloride, (IUPAC Poly(chloroethanediyl)) commonly abbreviated PVC, is a thermoplastic polymer.

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What is Silicone rubber?

Silicone rubber is a rubber-like material composed of silicone—itself a polymer containing silicon together with carbon, hydrogen, and oxygen.

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