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What is ACM rubber?

Acrylic rubber, known by the chemical name alkyl acrylate copolymer (ACM), is a type of rubber that has outstanding resistance to hot oil and oxidation. ACM has a continuous working temperature of 150 °C (302 °F) and an intermittent limit of 180 °C (356 °F). ACM is resistant to ozone and has low permeability to gases. The swelling resistance in the presence of mineral oils is better than that of ethylene acrylic rubber (AEM).

performance additives

Properties of Acrylic Rubber (ACM rubber)

These are some of the properties of ACM rubber compounds:

Cure sites, HT
Hardness Range (ShA)
50 – 80
Thermal Resistance continuous/peak (°C)
150 / 175
Low temperature (°C)
– 30
Chemical Resistance
High temperature alyphatic oils
Excellent ozone resistance
Low gas permeability
Metal stearate, amine, peroxide

Material processing

The manufacturing technologies of these types of compounds are the traditional compression and injection moulding, extrusion, calendering and coating process.

Some specialities require exclusive reticulation agents that take advantage of specific chemical properties.

What is ACM rubber typically used for?

ACM rubber is mostly used in the Automotive and Transportation market because it is resistant to engine / transmission oil and to automatic transmission fluids. ACM rubber is used to manufacture automotive components such as transmission seals, turbocharger hoses, O-rings, diaphragms and fluid handling applications.

ACM rubber compounds for automotive needs

Rubber Application Matrix

HEXPOL’s rubber compounds can be used in a variety of different applications. Download our Application Matrix to see which compounds can fit your application.

Rubber Application Matrix

Contact us to discuss ACM

Saul Reyes

Advanced Rubber & High Performance Compounding, Americas
+1 731 285 4353

Sara Cotelli

High Performance Compounding, Europe, Middle East, Asia, and India
+39 (0) 35 42 52 000
Gary Moore

Gary Moore

Advanced Rubber & High Performance Compounding, Americas
+1 682 215 7096
Marc Pignataro

Marc Pignataro

Advanced Rubber & High Performance Compounding, Americas
+1 440 391 4318

High performance compounds

Learn more about typical high performance polymers in our material range.

Contact our global experts

To learn more about how we can make a material difference in your business, contact our skilled staff representatives for more detailed information.


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