Automotive sound proofing decreases or eliminates the effects of exterior noise, primarily engine, exhaust and tyre noise.
The introduction of lightweight inert functional fillers such as Cenospheres into bitumen profiles has enabled the development of efficient acoustic absorbing profiles. Profile thickness is reduced.
Delamin supplies Delaspheres™ (Cenospheres) for this application.
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Delaspheres™(Cenospheres) are small, high strength, extremely lightweight, free flowing, non porous, hollow ceramic spheres. Cenospheres are used primarily as lightweight fillers in the oil and gas, plastics, building, refractories, automotive, aerospace and surface coating industries. Delaspheres™ are available in both grey and white to suit the intended application.
