He pōʻino anei nā uluna polyurethane i nā kānaka?

ʻO ka mea polyurethane kahi ʻano mea decompression pili i ka wela.ʻO kēia mea he mea hāmama a ʻano maʻamau o ka ʻiʻo cell spherical.E mālama i kahi wela kino kūpono.He mea kēia mea e hahai ana i nā ʻano o ke kino kanaka.I ka hoʻohana ʻana, e manaʻo ʻoe ʻaʻohe rebound.He oluolu loa.No laila, ʻo ka hoʻohana ʻana ʻaʻole ia e hōʻeha i ke kino o ke kanaka.Eia nō naʻe, inā kūʻai ʻoe iā ia ʻO ke kūʻai ʻana i nā mea kūpono ʻole hiki ke loaʻa i kahi hopena maikaʻi ʻole i ke kino, no laila e nānā pono nā mea āpau i ke kūʻai ʻana.

Na pomaikai onā uluna polyurethane

Hōʻike nui ʻia nā pōmaikaʻi o kēia uluna i kāna ākea ākea o ka hoʻoponopono hana a me ka hoʻololi ikaika;ʻO ka huahana pono'ī he kū'ē maikaʻi maikaʻi;ʻoi aku ka nui o kona ikaika mechanical;maikai kona viscosity;ikaika loa kona elasticity;He maikaʻi ka hopena hoʻihoʻi;maikaʻi ka haʻahaʻa haʻahaʻa haʻahaʻa;lōʻihi loa ke ola lawelawe;maikaʻi ka hopena o kaʻaila;hiki iā ia ke pale i ka ʻelemakule olaola;He kūpono ke kumu kūʻai.

ʻAʻole paʻakikī ke ʻike mai kāna mau pōmaikaʻi he mea kaulana ia, a hiki nō hoʻi ke hoʻohana ʻia ma ke ʻano he uluna.Inā manaʻo ʻoe hiki iā ʻoe ke koho i kahi uluna kūpono e hoʻokō i kāu mau pono mālama olakino, a laila ʻōlelo ʻia e noʻonoʻo i ke kūʻai ʻana i kahi uluna Hiki ke koho i kēia mea.

He pōʻino anei nā uluna polyurethane i nā kānaka?ʻO ka pane ʻaʻole, ʻaʻole ia he mea pōʻino i ke kino, akā he hopena kekahi i ke kōkua ʻana i ka mālama olakino.Inā makemake ʻoe e koho i kahi uluna kūpono e hoʻokō i kāu mau pono mālama olakino, hiki iā ʻoe ke hāʻawi i ka mea nui e noʻonoʻo iā ia, akā naʻe, e hoʻolohe pono i ke kūʻai ʻana i kahi uluna o kēia mea e ʻike ai inā kūpono ka huahana.

Kūʻai Lae

1. Ina he mea maemae.Hana ʻia nā uluna me 100% polyurethane a hoʻohui ʻia ka talc e hoʻonui i ka nui?ʻO ia ka mea huna o ke kaʻina hana o ka ʻoihana a me ke kiʻekiʻe kiʻekiʻe.ʻOi aku ma mua o 90% o nā uluna lohi-rebound ma ka mākeke i hana ʻia mai nā mea maʻemaʻe ʻole, no laila paʻakikī ke ana ʻana i ka maikaʻi maoli o ka uluna.

2. Inā ua hala ka nānā ʻana i ka palekana: ʻo nā mea hoʻihoʻi lohi he mau kemika, he mea pōʻino i kekahi ʻano ma ke ʻano o ka haku melemele, no laila pono e mālama ʻia kā lākou mau hōʻailona palekana i ka hana ʻana.Inā hoʻohana piha ʻia nā mea ʻawaʻawa a me nā mea ʻino, e ʻike inā kūpono ka uluna ma muli o ka hala ʻana o kāna papa kuhikuhi palekana?I kēia manawa, ʻo ka ʻike ʻana i nā huahana rebound lohi e pili ana i ka ʻike ʻana i nā mea ʻona a me nā mea ʻino a me ka ʻike ʻana i nā mea maʻemaʻe.

3.Density: ʻO ka Density kekahi o nā hōʻailona kumu o nā mea kiʻekiʻe kiʻekiʻe lohi-rebound.ʻO ka mea maʻamau, hiki ke 70 ~ 150D ka nui o ka polyurethane i ke kaʻina hana, a ʻo ke kaʻina ʻoki hiki ke 40 ~ 100D.Ma muli o nā bottlenecks ʻenehana a me nā ʻokoʻa o nā mea hana, ʻo ka nui o ka polyurethane i hana ʻia ma Kina ʻoi aku ka haʻahaʻa ma mua o 100D, aʻo ka mea kiʻekiʻe loa ma waho hiki ke hiki i 150D.ʻO ka lua, ʻo nā huahana me ka like like e ʻokoʻa loa, ma muli o ka ʻokoʻa o ke ʻano, ka hana a me nā mea maka.Pono ka mea elastic e kiʻekiʻe, akā ʻaʻole pono nā mea kiʻekiʻe kiʻekiʻe.

4.Kaʻina hana: ʻElua mau kaʻina hana no ka rebound lohi: ʻoki ahoʻoheheʻe ʻia.ʻO ka ʻoki ʻana ʻo ia ka mea i kūʻai ʻia, ʻoki ʻia i ke ʻano o kahi uluna, no ka mea, ua hoʻokumu ʻia ka ʻoki ʻana ma mua o ka mold + additives, ʻaʻohe mea hoʻohui ʻē aʻe i hoʻohui ʻia, no laila hiki i ka polyurethane density maʻemaʻe ke hiki i 40-70D. .Hana ʻia ka molding e nā kaʻina hana e like me ka hoʻohui ʻana i nā additives, foaming, a me ka paʻi ʻana.Ma muli o ka hoʻohui ʻana o nā mea hoʻohui ʻē aʻe, me nā mea hoʻohui kemika e like me ka huʻi a me ka palupalu, piʻi ka paʻa i kahi 70-90D., Aloha maikaʻi.E hoʻomanaʻo i nā mea a pau ʻaʻole pili ka ola lawelawe o nā uluna i ka hana hana.

5.Rebound manawa: Ua ʻike ʻia ka manawa rebound e like me ka mālama ʻana i ka hiki ke hoʻohālikelike.ʻO ka maʻamau, ʻoi aku ka lohi o ka rebound, ʻoi aku ka maikaʻi o ka hiki ke decompression.ʻO ka manawa hoʻihoʻi o ka pahu hoʻomanaʻo home he 3-5 kekona, a ʻoi aku ka manawa o ka rebound o ka pahu hoʻomanaʻo i lawe ʻia ma mua o 10 kekona.

6. ʻO ka manaʻo lima a me ka ʻike wela: ʻAʻole pili iki ka manaʻo lima a me ka wela me ka nui o ka uluna, ma muli o ka ʻenehana makua o ka hale hana (e pili ana i ka ʻokoʻa a me ka nui o nā mea hoʻohui i hoʻohui ʻia i ke kaiapuni).E like me ka manaʻo o ka hui ʻana i ka palaoa, ʻo ka hoʻihoʻi lohi ʻana i kahi ʻano liʻiliʻi, a ʻoʻoleʻa iki paha.

7. Ke ola lawelawe: ʻO ka uluna hoʻomanaʻo hoʻomanaʻo polyurethane e pili nui ana inā he polyurethane maʻemaʻe a inā paha he polyurethane i lawe ʻia mai kiʻekiʻe.Inā he polyurethane maʻemaʻe i lawe ʻia mai, ʻaʻole ia e deform no nā makahiki ʻoi aku ma mua o 5, akā inā hoʻohui ʻia e hoʻonui i ka nui a me ke kaumaha Ma muli o nā mea maka e like me ka talcum pauka, maikaʻi ʻole nā ​​uluna a ʻo ka maʻamau he 2 mau makahiki wale nō.