ʻO ka mea maka o kēia huahana he silica gel, kahi palekana e hoʻohana ai, me ka ʻole o ka ʻala, ka maʻalahi ikaika, ka huki hou ʻana a me ka deformation.Hiki i kēia huahana ke pale i nā ʻatikala mai ka hāʻule ʻana a loaʻa iā ia ka pōmaikaʻi o ka insulation wela.Maʻalahi e hoʻomaʻemaʻe a kau ma hope o ka hoʻohana ʻana.