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Maopopo ʻoiaʻiʻo ʻoe i nā pani pepeiao i loaʻa ma nā wahi āpau?
Me ka paʻahana o ka poʻe hou a me ke koʻikoʻi o ka hana, ʻoi aku ka maikaʻi o ka hiamoe maikaʻi.Nui ka poʻe i hoʻopilikia nui ʻia e ka leo pollution ma muli o ka pilikia o ko lākou wahi noho, a paʻakikī ke hōʻoia i ka maikaʻi o ka hiamoe, e hoʻopilikia i kā lākou hana i kēlā me kēia lā a ...Heluhelu hou aku -
Ke kūlana noi a me ka manaʻolana o ka ʻenehana hoʻohūhū ma ke kāʻei uila kaʻa
I nā makahiki i hala iho nei, ua ulu wikiwiki ka ʻoihana kaʻa o Kina, a ua hoʻohana nui ʻia ka polyurethane, kekahi o nā mea polymer, i nā ʻāpana kaʻa.I loko o ka automotive wiring harness huahana, ka hana nui o ka uea harness alakaʻi groove mea e hōʻoia i ka uea harness ua sa ...Heluhelu hou aku -
He aha ka polyurethane insulation board?
Nā hiʻohiʻona o ka polyurethane insulation board: 1. He nui nā kiko'ī a me nāʻano likeʻole, ka laulā o ka nui nui: (40-60kg / m3);ka laulā o ka lōʻihi: (0.5m-4m);ka laulā o ka laulā: (0.5m-1.2m);ka laulā o ka mānoanoa: (20mm-200mm).2. He kiʻekiʻe ka pololei o ka ʻoki ʻana, a ʻo ka hewa mānoanoa he ± ...Heluhelu hou aku -
ʻO wai ka mea ʻoi aku ka maikaʻi, ʻo ka pahu pahu a i ʻole ka PU?
Me ka hoʻomaikaʻi ʻana i nā kūlana ola o kēlā me kēia kanaka, ua hoʻomaka nā mea a pau e ʻimi i ke ola kiʻekiʻe ma nā ʻano āpau.Aia nō ma ke koho ʻana i nā kāmaʻa.'Oko'a ka 'ike i lawe 'ia e nā kāma'a like 'ole.ʻO nā mea maʻamau he mau kāmaʻa kāpili a me nā kāmaʻa polyurethane.ʻOkoʻa: Rubber...Heluhelu hou aku -
2022 ʻEhā mau mea e alakaʻi ai i ka hoʻomohala ʻana o ka polyurethane e hiki mai ana
1. Hoʻolaha kulekele.Ua hoʻolaha ʻia kekahi ʻano o nā kulekele a me nā lula e pili ana i ka mālama ʻana i ka ikehu ma Kina.ʻO ka mālama ʻana i ka ikehu a me ka hoʻohaʻahaʻa ʻana i ka hoʻokuʻu ʻana o nā hana kūkulu ʻo ia ke alakaʻi waiwai nui o ke aupuni, a ua lilo ke kulekele mālama hale kūkulu ...Heluhelu hou aku -
Ke kūlana hoʻomohala o ka ʻoihana polyurethane ma 2022
Ua hoʻokumu ʻia ka ʻoihana polyurethane ma Kelemania a ua ulu wikiwiki ʻo ia ma ʻEulopa, ʻAmelika a me Iapana no nā makahiki he 50 a ʻoi aku ka wikiwiki o ka ulu ʻana o ka ʻoihana i ka ʻoihana kemika.I ka makahiki 1970, ʻo nā huahana polyurethane honua he 1.1 miliona tons, a hiki i 10 miliona tons ma ...Heluhelu hou aku -
ʻO ka ʻokoʻa ma waena o MDI a me TDI
ʻO ka TDI a me ka MDI kekahi ʻano mea maka i ka hana polyurethane, a hiki iā lākou ke hoʻololi i kekahi i kekahi i kekahi ʻano, akā ʻaʻohe liʻiliʻi liʻiliʻi ma waena o TDI a me MDI e pili ana i ka hoʻolālā, ka hana a me ka hoʻohana ʻana i ka mahele.1. ʻOi aku ka kiʻekiʻe o ka ʻike isocyanate o TDI ma mua o ka MDI, ...Heluhelu hou aku -
Ua loaʻa anei iā ʻoe nā pilikia ma hope aʻe i ka wā e kāpī ʻia ai ka polyurethane?
ʻO ka pulupulu polyurethane ka mea hoʻoheheʻe polyurethane kiʻekiʻe.No ka mea, ua hoʻokuʻu ʻia nā mea o ka mea hoʻoheheʻe kiʻekiʻe i loko o kahi keʻena huikau liʻiliʻi a wili ikaika i ka wikiwiki kiʻekiʻe, maikaʻi loa ka hui ʻana.ʻO ka mea e neʻe ana i ka wikiwiki kiʻekiʻe e hana i nā kulu noe maikaʻi ma ka nozzle...Heluhelu hou aku -
ʻO ka ʻokoʻa ma waena o ka TPU a me ka Rubber
ʻO ka TPU (Thermoplastic polyurethanes) kahi mea ma waena o ka lāʻau a me ka plastic.ʻO ka ʻaila a me ka wai kūpaʻa a he maikaʻi loa ka lawe ʻana a me ka hopena hopena.ʻO TPU kahi mea polimer non-toxic pili i ke kaiapuni.Loaʻa nā mea Tpu i nā pono o ka elasticity kiʻekiʻe o ka lāʻau a ...Heluhelu hou aku -
Ua loaʻa anei iā ʻoe nā pilikia ma hope o ke kaʻina hana o ka polyurethane foaming?
ʻO ka polyurethane foam kahi polymer molecular kiʻekiʻe.ʻO kahi huahana i hana ʻia mai ka polyurethane a me ka polyether i hui pū ʻia.I kēia manawa, ʻelua ʻano ʻano o ka huʻa maʻalahi a me ka ʻōpala paʻa ma ka mākeke.I waena o lākou, ʻo ka ʻōhū paʻa he hale paʻa-cell, aʻo ka foam maʻalahi he str ...Heluhelu hou aku -
Aia kekahi mea kemika i ke ahi ma 2022!Ua lele ʻoi aku nā kumukūʻai TDI ma ʻEulopa, ua hoʻomaikaʻi ʻia ka ʻoihana TDI o Kina
Wahi a ka nūhou hou i hoʻokuʻu ʻia e ka China Financial Association: Hoʻohana nui ʻia ʻo TDI i loko o ka flexible foam, coatings, elastomers, and adhesives.I waena o lākou, ʻo ka ʻūhā palupalu ka māla i hoʻohana nui ʻia, ʻoi aku ma mua o 70%.Hoʻopili ʻia ka noi terminal o TDI i nā lako palupalu, ʻaʻahu ...Heluhelu hou aku -
He aha ka ʻokoʻa ma waena o ka Polyurethane a me ka Epoxy Resin?
ʻO ka maʻamau a me ka ʻokoʻa ma waena o ka polyurethane a me ka epoxy resin: ʻo ka mea maʻamau: 1) ʻo ka polyurethane a me ka resin epoxy ʻelua mau mea, a ʻo nā mea hana a me nā ʻano hana he mea like ia;2) Loaʻa i nā mea ʻelua ke kūpaʻa tensile maikaʻi, ʻaʻohe haki, ʻaʻohe hāʻule a me nā waiwai ʻē aʻe;3) Bot...Heluhelu hou aku
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