Menu
Custom Grades including MilSpec, Def STAN, NSN, AS & DTD available. Below is a sample of common grades. Contact us for your unique requirements.
ACM is mainly used for O-rings and shaft seals to seal heavy oils at high temperatures and in the automotive industry for transmission and power steering applications.
Low Temp: -20°C (-5°F) Brittle -25°C (-13°F)
High Temp:150°C (300°F)
Intermittent: 180°C (356°F)
Polyacrylate rubber (or ACM) is a specialty rubber with the primary advantage being its ability to withstand high heat while retaining oil resistance. It is often used for applications involving sulphur bearing lubricants, which are experiencing increased usage in automotive applications, particularly transmission seals.
From the standpoint of performance, ACM occupies an intermediate position between fluorocarbon and nitrile. Additionally, polyacrylates are not highly corrosive to steel, exhibit good damping characteristics and can be compounded to provide excellent flex life and some degree of flame resistance. However, this acrylic based elastomer has a few limitations. The poor low temperature flexibility lessens its usefulness, and its compression set is not as good as that of most other compounds. It is also not as good as many other elastomers in strength and water resistance.
EMI Seals & Gaskets is known in the industry as a problem solver, helping companies worldwide to meet the ever-demanding requirements of the latest legislation, certification and performance requirements.
Book a 30-minute initial consultation with our Technical Team.
Office hours: Mon-Thu 8-5 & Fri 8-1 GMT.
+44 (0)1590 688022 / hello@emiseals.com