No ke aha ʻaʻole hiki ke kau ʻia ka uhi ʻo Dacromet i kahi kiʻekiʻe wela?

Kau ʻia ma 2019-03-11He kuleana koʻikoʻi nā lako Dacromet i ka ʻoihana hou.He mea maʻamau nō hoʻi nā uhi Dacromet i ka hana ʻana, akā ʻaʻole hiki ke mālama ʻia nā uhi Dacromet i nā wela kiʻekiʻe.No ke aha mai?ʻO ke kumu, aia kekahi ʻano o nā mea maikaʻi i ka ʻenehana Dacromet ʻaʻole hiki ke hoʻohālikelike i ka plating kuʻuna, ka mea i pana koke ʻia i ka mākeke honua.Ma hope o 20 mau makahiki o ka hoʻomohala mau ʻana a me ka hoʻomaikaʻi ʻana, ua hoʻokumu ʻia ka ʻenehana Dacromet i kahi ʻōnaehana lapaʻau piha piha, i hoʻohana nui ʻia i ka mālama anti-corrosion o nā ʻāpana metala.Ua hoʻokumu kēia hui iā Nippon.Darro.shamrock (NDS) ma 1973 me Japan Oil & Fats Co., Ltd., a ua hoʻokumu pū ʻia ʻo DACKAL ma ʻEulopa a me Farani ma 1976. Ua hoʻokaʻawale lākou i ka mākeke honua i ʻehā mau mākeke nui: Asia Pacific, Europe, ʻApelika a me ʻAmelika.He kuleana no ka ʻāina hoʻokahi a ʻimi i nā pono like ma ka pae honua.No ka mea ʻoi aku ka kiʻekiʻe o ka mahana, ʻoi aku ka nui o ka ʻelemakule o ka wai uhi, ʻoi aku ka maikaʻi o ka mālama ʻana i ka mahana mālama o ka wai uhi Dacromet ma lalo o 10 °C.I ka manawa like, ma lalo o ka lā, ua maʻalahi ka polymerize i ka wai uhi, metamorphose, a ʻoki ʻia, no laila ʻoi aku ka maikaʻi o ka mālama ʻana i kahi wahi anuanu.ʻAʻole lōʻihi ka lōʻihi o ka mālama ʻana o ka wai uhi Dacromet, no ka mea, ʻoi aku ka lōʻihi o ka mālama ʻana i ka wai uhi, ʻoi aku ka kiʻekiʻe o ka waiwai o ka pH, kahi e ʻelemakule ai ka wai uhi a hoʻolei ʻia.Ua hōʻike kekahi mau hoʻokolohua ʻo ka ʻōpala ma hope o ka hoʻomākaukau ʻana i ka Dacromet chromium-free, pono ka wai no 30 mau lā ma 20 ° C, 12 mau lā ma 30 ° C, a he 5 mau lā wale nō ma 40 ° C.No laila, pono ke waiho ʻia ka wai uhi Dacromet ma lalo o nā kūlana haʻahaʻa haʻahaʻa, a i ʻole ke kiʻekiʻe kiʻekiʻe e hoʻomāhuahua i ka wai uhi.