He aha ka Epoxy Coatings

Hiki ke hoʻohana ʻia nā ʻāpana epoxy i ʻelua ʻōnaehana (i kapa ʻia ʻelua ʻāpana epoxy coating) ka uhi lepo. Hoʻohana ʻia nā ʻāpana epoxy ʻelua no nā ʻōnaehana hana kiʻekiʻe ma ka substrate metala. He koho maikaʻi lākou i ka hoʻopili ʻana i ka pauka i loko o nā noi ʻoihana a me nā automotive e hoʻomaikaʻi i ko lākou haʻahaʻa haʻahaʻa a me ka hoʻohālikelike ʻana me nā ʻano wai wai. Hoʻohana nui ʻia ka epoxy powder coating no ka hoʻopili metala ma nā noi "waiwai keʻokeʻo" e like me nā mea hoʻomehana a me nā panela mea hana nui. Hoʻohana nui ʻia ka epoxy coating no ka pale ʻana i ka corrosion o nā paipu a me nā mea pono: i ka ʻoihana aila a me ke kinoea, akā no nā paipu wai hoʻi, ka rebar hoʻoikaika paʻa i ka inoa i kekahi.

ʻO ka epoxy kahi copolymer i loaʻa ma ka hoʻopaʻa ʻana o kahi epoxide (resin) me kahi polyamine (hardener). Ua kaulana lākou no ko lākou kiʻekiʻe kiʻekiʻe o ka adhesion, ʻoi aku ma luna o ka metala, ke kiʻekiʻe kemika a me ke kūpaʻa wela, a me ka hiki ke hoʻokaʻawale uila. No laila, ʻo ka hoʻokumu ʻana o Epoxy kahi hopena i makemake ʻia no nā ʻāpana uila a me nā mea uila (e laʻa: coil coating, solder mask ma nā papa kaapuni). OveralʻOi aku ke kumukūʻai o ka epoxy coatings ma mua o nā ʻōnaehana ʻē aʻe e like me Alkyd a i ʻole Acrylic, akā hōʻike pū lākou i nā hana kiʻekiʻe. Ma ka ʻaoʻao ʻē aʻe, pilikia mau nā uhi epoxy i nā kukui UV. Hoʻopiʻi ʻia kēia nāwaliwali e ka hoʻohana ʻana i kahi papa pale UV a i ʻole topcoat