Acrylic rubber is a copolymer of buthyl or ethyl acrylate, or their mixtures and monomer which is capable of intermolecular cross-linking formation.
Compared to nitrile vulcanisate, it shows better resistance to hot air, oxygen, ozone, and oils. It is not sensitive to sulfur and chlorine, so it can be used for seals working in oils and lubricates containing enriching additives, e.g. dibenzyl sulfide, chlorinated paraffine, i.e. substances which in higher temperatures breaks sulphur or chlorine bonds.
Acrylic elastomer shows large permanent deformation by compression and lower resistance to breaking compared to nitrile elastomer.
Rubber on the basis of acrylic rubber is usually used for seals, where the properties of nitrile rubber are no longer sufficient, and silicone or fluorine rubbers are not yet necessary.
| Temperature range | -20°C ÷ +150°C, short-term up to +175°C |
| Hardness (IRHD) | 80 |
| Resistance to media |
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