High Temperature ACM Rubber
High temperature polyacrylates are copolymers of ethyl and acrylates
They exhibit excellent resistance to petroleum fuels and oils and can retain their properties when operating at continuous high temperatures.
Benefits of High Temperature
HT-ACM has been developed to withstand a constant maximum working temperature of up to 180°C whilst also maintaining resistance to oil. These properties make high temperature polyacrylates suitable for use in automotive automatic transmissions, steering systems, and other applications where petroleum and high temperature resistance are required.
HT-ACM has excellent chemical resistance to hot hydraulic oil, ozone and weather exhibiting resistance to cracking when exposed to ozone and sunlight. It has good resistance to aliphatic solvents and sulphur-containing oils.
The operating temperatures range from -20 °C/-4 °F and +150 °C/+302 °F (for a short period of time up to +175 °C/+347 °F). Special types can be used down to -35 °C/-31 °F.
HT-ACM has poor compression set performance relative to NBR and lesser water resistance. It has low temperature performance than some other elastomers.
High temperature polyacrylates are not recommended for applications where the elastomer will be exposed to brake fluids, chlorinated hydrocarbons, alcohol, or glycols.
HT-ACM occupies an intermediate position between nitrile and fluorocarbon. In the above respects it is much superior to nitrile rubber. It is a cost effective solution for applications such as diesel or gasoline turbo charger systems.
Developed to withstand a constant maximum working temperature of up to 180°C
Suitable for use in automotive automatic transmissions, steering systems, and other applications
Provides excellent compression set, tear, and abrasion resistance
Good resistance to aliphatic solvents and sulphur-containing oils.
HT-ACM has poor compression set performance relative to NBR and lesser water resistance
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