I kēia manawakuihi down aʻeke i lalo ʻoiai he mea maʻamau ka hoʻopiha piha ʻana i ko mākou ola, hiki ke hoʻohana ʻia ma nā wahi like ʻole, e like me nā uluna, duvets, nā ʻaʻahu lalo a pēlā aku. Akā, nui ka poʻe ʻaʻole maopopo i ka ʻokoʻa ma waena o ka kuihi lalo a me ka ʻiole lalo. I kēia manawa e haʻi aku ʻo Rongda iā ʻoe i kaʻokoʻa ma waena o ka ʻiʻo a me ka ʻoki.
Ma lalo o ke ʻano he 9% ka nui o ka ʻai lalo a me ka ʻiʻo i lalo, ua hoʻohālikelike ʻia nā kumukūʻai nui penei: ʻO nā mea hōʻailona o ka goose a me ka duck down he like nō ia, ʻo ka nui o ka helu helu nui o ka kuihi. ʻoi aku ka kiʻekiʻe o lalo ma mua o ka ʻiʻo i lalo e 5%. ʻO ka nui o ka insulation thermal o nā huahana i lalo e hilinaʻi nui ʻia i ka pae o ka waiwai index bulkiness. Hiki ke ʻike ʻia ʻaʻole ʻokoʻa loa ka nui o ka insulation thermal o ka kuihi a me ka ʻiʻo i lalo.

Ke ʻano like ka ʻike i lalo o ka kuihi a me ka ʻeke i lalo, ʻaʻole maopopo ka ʻokoʻa o ka nui. Inā he kuihi i lalo a i lalo paha, he nui nā kumu e pili ana i ka nui o ka lalo. Ma lalo o ka maʻiʻo haʻahaʻa like, pili nui nā mea i lalo i ka bulkiness.
1.ka ratio o ka velvet a me ka velvet. ʻO ka lakio o nā ʻōpala a me nā filament i lalo e pili i ka fluffiness o lalo. ʻOi aku ka kiʻekiʻe o nā ʻōpuʻu iho i lalo, ʻoi aku ka maikaʻi o ka nui a ʻoi aku ka maikaʻi o ka lalo, akā ʻoi aku ka kiʻekiʻe o ke kiʻekiʻe o ka siliki lalo i lalo, ʻoi aku ka maikaʻi o ka bulkiness.
2. ka nui o ka velvet. ʻO ka nui o nā puʻupuʻu i lalo e pili pū i ka fluffiness o lalo. ʻO ka nui o ka velvet, ʻoi aku ka kiʻekiʻe o ka bulkiness, ma ke ʻano, ʻoi aku ka liʻiliʻi o ka velvet, ʻoi aku ka haʻahaʻa o ka bulkiness, a ʻoi aku ka maikaʻi o ka lalo.
3. Ka nui o ka wai. ʻO ka makū o ka lalo, ʻo ia hoʻi ke degere o ka maloʻo, pili pū i ka bulkiness, me ka maloʻo i lalo e ʻoi aku ka maikaʻi ma mua o ka liʻiliʻi o ka maloʻo. Mai ka nānā ʻana i nā kumu ʻekolu i luna, ʻaʻole hiki iā mākou ke noʻonoʻo wale ʻoi aku ka maikaʻi o ka kuihi i lalo ma mua o ka ʻeke i lalo. ʻO ke kī e pili ana i ka maikaʻi o nā hulu o ke kuʻi i kūʻai ʻia a hāʻule i lalo, a ʻo ka lua e pili ana i ke kaʻina hana ʻenehana a me ka hoʻokele maikaʻi ʻana o ka kuihi i lalo a me ka ʻiʻo i lalo i ka wā e hana ai. ʻo ia hoʻi.
No ka nui o ka ʻokoʻa ma waena o ka ʻeke a me ka ʻokiʻoki, ʻo Rongda kahi mea hoʻolako kūʻai kūʻai ʻoihana a me ka mea hana ʻeke i lalo ma Kina, me nā makahiki o ka hulu hulu manu a me ka ʻike hana ʻana i nā huahana hulu, ʻoluʻolu e launa pū me mākou!
Nā Huahana Pili