The best material to use for engine mounts
Oct 25,2023

The best material to use for engine mounts is natural rubber. Here are some reasons why you should choose rubber for your engine mount:
★ Versatile in the shapes and configurations to adapt to many different applications.
★ Excellent vibration and noise dampening
★ Long lifespan - correctly selected, a rubber isolator can outlast the engine it is protecting.
★ Provides a balance between energy absorption and stability for the engine - these are often in conflict.
★ Resistant to ozone, water, oil and other damaging fluids/elements - giving them the ability to perform under tough conditions at low cost.
★ Natural rubber is the most widely used and common as it is the best material for resiliency or the ability to go back to its original shape. The ability to return to its original shape and not to stay deformed (compression set) is an ★ important characteristic. Is it always the best choice? The best material is determined by what fluids and environmental conditions the mount will be exposed to.
For example, if the mount will be in constant contact with oils or fuel then Neoprene will be a better choice. Constant exposure to sunlight or UV? Then EPDM is the best bet. Need to operate at extreme heat or extreme low temperature? Silicone is the one you need. Need some help choosing the right material? Contact the RPM Industrial Rubber Parts team, we have got your back.
Because engine mounts are made of rubber, it allows for unique customization. OEMs can design mounts that will fit the application rather than design the application to fit the mount. Have a mount that has been discontinued? Let our experience match you up with the best part or guidance to move forward. An OEM may also get custom motor mounts made for a few other reasons. With customization, manufacturers can choose the material, shape, colors, size and more.
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