Our 3M™ Thinsulate™ High Temperature Acoustic Absorber HT500C is a material featuring a web of polyester fibers for automotive sound absorption even in high-temperature applications. It resists temps up to 356°F (180°C) for 48 hours, making it excellent for use inside engine compartments. A durable black scrim reinforces the web and resists chemicals and fluids.
The Science Behind Noise Absorption with Thinsulate Products
- Automotive underhood
- Engine under covers and beauty covers
- Battery covers
- Front of dash panels
All sound is transmitted through physical vibrations. Where many acoustic insulation products act as a damper or a barrier that simply blocks the transmission of these vibrations from a source to other locations, our Thinsulate acoustic absorbers and insulation are engineered to absorb them instead. Tiny fibers are manufactured to exact diameters and assembled into a web. As physical vibrations pass through this web, it essentially tunes them to differing frequencies. This absorption process converts vibration from physical energy — which causes noise and discomfort — into heat, which dissipates quickly and quietly. The result is a quieter, smoother, more comfortable space inside the vehicle cabin, and another example of how 3M applies science to life.