ʻO ka pepa Damping, i ʻike ʻia ʻo mastic a i ʻole damping block, he ʻano mea viscoelastic i hoʻopili ʻia i ka ʻili o loko o ke kino kaʻa, kahi kokoke i ka paia pā kila o ke kino kaʻa.Hoʻohana nui ʻia e hōʻemi i ka walaʻau a me ka haʻalulu, ʻo ia hoʻi, ka hopena damping.Hoʻolako ʻia nā kaʻa a pau me nā papa damping, e like me Benz, BMW a me nā mea ʻē aʻe.Eia kekahi, ʻo nā mīkini ʻē aʻe e pono ai ka haʻalulu haʻalulu a me ka hoʻohaʻahaʻa leo, e like me nā kaʻa aerospace a me nā mokulele, hoʻohana pū i nā papa damping.Hoʻokumu ʻo Butyl rubber i ka pahu alumini metala e hana i nā mea hoʻoheheʻe kaʻa, nona ka māhele o ka damping a me ka haʻalulu.ʻO ka waiwai hoʻoheheʻe kiʻekiʻe o ka butyl rubber e lilo ia i papa hoʻoheheʻe e hōʻemi i nā nalu haʻalulu.ʻO ka mea maʻamau, ʻeleʻele nā mea metala o nā kaʻa, a maʻalahi ka hoʻoulu ʻana i ka haʻalulu i ka wā o ke kaʻa ʻana, ka holo kiʻekiʻe a me ke kuʻi ʻana.Ma hope o ka hoʻoheheʻe ʻana a me ke kānana ʻana i ka ʻōpala hoʻoheheʻe, hoʻololi a nāwaliwali ka nalu, e hoʻokō i ke kumu o ka hoʻemi ʻana i ka walaʻau.He mea hoʻohana nui ʻia ʻo Efficient automobile sound insulation material.