1. ʻO ka waiwai hoʻonohonoho maʻiʻo paʻa (45±2)%, a ʻo nā huahana foam he maikaʻi loa ka tensile a me ka haehae ʻana ma lalo o ke kumu o ka paʻakikī ʻelua;ʻAʻole i hōʻino ʻia nā huahana foam a hoʻololi i ke kala ma hope o ka wela ʻana ma 220 ℃ no 1 min.
2. He kūpaʻa ka huahana a he maikaʻi ka hana, hiki ke hoʻemi i ka nui o ka ʻaila silicone i hoʻohui ʻia i ka ʻano.
3. ʻO ka huahana he haʻahaʻa viscosity a ʻaʻole lilo i viscous i ka hoʻopili ʻana me ka wai.Loaʻa nā pores maʻemaʻe a me nā ʻano like ʻole o nā huahana foam, haʻahaʻa haʻahaʻa haʻahaʻa ma luna a me lalo, a me ka ʻili ʻili o lalo.
4. He keʻokeʻo loa ka waihoʻoluʻu o ka huahana foam, a i ka wā e hoʻohui ʻia ai ka hoe kala, hiki ke hoʻomaikaʻi ʻia ka hou o ka ʻōhuʻu.
ʻO nā huahana 5.Foam he haʻahaʻa haʻahaʻa loa ka VOC, e kū ana i nā koi haʻahaʻa haʻahaʻa o nā sponges kiʻekiʻe.