ʻO nā sila polyurethane i hoʻohuliʻia he mea hoʻopili maikaʻi loa me ke kū'ē maikaʻi loa i kaʻaʻahu, kaʻino a me nā mahana wela a hoʻohanaʻia i nāʻanoʻoihanaʻoihana.E wehewehe kēia ʻatikala i nā hiʻohiʻona kumu, nā wahi noi a me nā pono o nā sila polyurethane huli ʻia.Ua kapa ʻia ʻo Seals he sila a i ʻole ʻaila sila, ua haku ʻia i hoʻokahi a i ʻole mau ʻāpana o ke apo i uhi ʻia, i hoʻopaʻa ʻia i ke kumu, e lawe ana i nā apo, a me kekahi pūʻulu o nā apo a i ʻole nā gaskets e hoʻopili ai a i ʻole e hana i kahi āpau labyrinth haiki, pāʻani. he kuleana i ka hoʻokaʻawale ʻana i ka ʻaila a me ke kinoea wai, e pale aku i ke kahe ʻana o ka aila a i ʻole ke komo ʻana o nā mea ʻē aʻe.I ka manawa like, hiki iā ia ke hoʻokau i ke kaomi, i loko o kahi ākea me ka hana ʻelua o ke kaomi ʻana a me ka sila.Ua hoʻohuli ʻia nā sila polyurethane, me ka ʻaʻahu, ka ʻaila, ka waikawa, ka ozone, ka ʻelemakule, ka haʻahaʻa haʻahaʻa, ka waimaka, ka hopena a me nā ʻano ʻē aʻe, hoʻohuli i ka polyurethane seals i ke kākoʻo kākoʻo, hoʻohana nui ʻia i nā ʻano āpau.I ka hōʻuluʻulu ʻana, he nui nā pōmaikaʻi o nā sila polyurethane i hoʻohuli ʻia a hiki ke hoʻohana nui ʻia i nā ʻano ʻoihana like ʻole.No laila, i ke koho ʻana i kahi mea hoʻopaʻa, huli ʻia nā sila polyurethane he koho maikaʻi.
ʻO ka holomua o ka polyurethane ma ke ʻano he mea sila i hele mai i ka makahiki 1980, i ka wā i hoʻomohala ai kekahi mau mea hana i nā mea waiwai polyurethane i ʻoi aku ke kūpaʻa i ka hydrolysis.ʻO kēia mau mea hou i hana i nā sila polyurethane i hoʻomau i ka maʻalahi i nā kaomi kiʻekiʻe a hiki i + 110 ° C, e loaʻa ana ka maikaʻi o ka hoʻopaʻa ʻana a me ke ola hana lōʻihi ma mua o ka polyurethane kumu (ʻo ia wale nō ke kū'ē i nā mahana kiʻekiʻe o +80 ° C).ʻO kēia hopena e wehe i ka puka i nā noi hydraulic i nā mīkini kelepona.
Ka manawa hoʻouna: Apr-18-2023
