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Types of Elastomers:
Rubber must be vulcanized to obtain real
elastic properties.
Unsaturated rubbers that can be
vulcanized are
- Natural Rubber (NR)
- Polyisoprene (IR)
- Butyl rubber (copolymer of isobutylene and isoprene, IIR)
- Halogenated butyl rubbers (Chloro Butyl Rubber: CIIR; Bromo
Butyl Rubber: BIIR)
- Polybutadiene (BR)
- Styrene-butadiene Rubber (SBR)
- Nitrile Rubber (NBR), also called buna N rubbers
- Hydrated Nitrile Rubbers (HNBR) Therban® and Zetpol®
- Chloroprene Rubber (CR), polychloroprene, Neoprene, Baypren
etc.
Saturated Rubbers that cannot be cured by
sulfur vulcanization:
-
EPM (Ethylene propylene rubber) and
EPDM rubber (Ethylene propylene diene rubber )
-
Epichlorohydrin rubber (ECO)
-
Polyacrylic rubber (ACM, ABR)
-
Silicone rubber (SI, Q, VMQ)
-
Fluorosilicone Rubber (FVMQ)
-
Fluoroelastomers (FKM, FPM) Viton®,
Tecnoflon®, Fluorel® and Dai-El®
-
Perfluoroelastomers (FFKM)
-
Tetrafluoro ethylene/propylene rubbers
(FEPM)
-
Chlorosulfonated Polyethylene (CSM), (Hypalon®)
-
Ethylene-vinyl acetate (EVA)
Other types of elastomers are:
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