ʻO ka lōʻihi o ka pale o ka papa galvanized o ka'ōwili nuiuwea galvanizedpili loa i ka mānoanoa o ka uhi.ʻO ka ʻōlelo maʻamau, ma ke kinoea maloʻo maloʻo a me ka hoʻohana ʻana i loko, a ma nā kūlana kūlohelohe koʻikoʻi, pono ke kiʻekiʻe loa ka mānoanoa o ka papa galvanized.No laila, pono e noʻonoʻo ʻia ka hopena o ke kaiapuni i ke koho ʻana i ka mānoanoa o ka papa galvanized.Ma hope o ka mālama ʻana i ka passivation o ka papa galvanized, hiki ke hana ʻia kahi ʻāpana o nā kiʻiʻoniʻoni passivation waihoʻoluʻu kahiko a nani, hiki ke hoʻomaikaʻi nui i kāna hana pale.
Nui nā ʻano o ka hopena galvanized, hiki ke hoʻokaʻawale ʻia i ka solution plating cyanide a me ka solution plating cyanide.ʻO ka cyanide galvanizing solution ka hoʻopuehu maikaʻi a me ka hiki ke uhi ʻia, ʻoi aku ka maʻalahi o ka crystallization coating, ka hana maʻalahi, ka laulā noi ākea, ua hoʻohana ʻia i ka hana no ka manawa lōʻihi.Eia nō naʻe, no ka loaʻa ʻana o ka cyanide ʻawaʻawa loa i ka hopena plating, ʻo ke kinoea e pakele i ke kaʻina plating he mea pōʻino i ke olakino o nā limahana, a pono e mālama pono ʻia ka wai ʻino ma mua o ka hoʻokuʻu ʻana.
ʻO Zinc he metala keʻokeʻo kālā, palupalu ma ka lumi wela, hiki ke hoʻoheheʻe ʻia i loko o ka waikawa a me ka alkali, i kapa ʻia he metala amphoteric.ʻOi aku ka paʻa o ka zinc maʻemaʻe i ka ea maloʻo, a liʻiliʻi i ka ea haʻahaʻa a i ʻole ka wai i loaʻa ka carbon dioxide a me ka oxygen.E hoʻokumu ʻia kahi papa kiʻiʻoniʻoni lahilahi o ka zinc carbonate kumu ma luna o ka ʻili, hiki ke hoʻopaneʻe i ka nui o ka ʻino o ka papa zinc.ʻO ke kūpaʻa ʻino o ka papa galvanized i loko o ka wai wai o ka waikawa, alkali a me ka sodium chloride he ikaika loa.ʻAʻole hiki ke kū i ka ʻino i loko o nā lewa i loaʻa ke kalapona kalapona a me ka hydrogen sulfide a me nā lewa moana;I ke kiʻekiʻe wela a me ke kiʻekiʻe humidity ea a loaʻa organic acid ea liʻiliʻi, galvanized papa maʻalahi hoʻi e corroded.
Ka manawa hoʻouna: 07-03-23