Nuhou Huahana
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E pili ana i ke kala i uhi ʻia i ke kila wili / prepainted steel coil structure
Hoʻokumu ʻia ka coil i uhi ʻia me ka lole luna, primer, uhi, substrate a me ka pena kua.Hoʻopau i ka pena: pale i ka lā, pale i ka pōʻino ultraviolet i ka uhi;Ke hiki ka hopena i ka mānoanoa i kuhikuhi ʻia, hiki iā ia ke hana i kahi kiʻiʻoniʻoni pale paʻa, e hōʻemi ana i ka permeability o ka wai a me ka oxygen.Kumuhana...Heluhelu hou aku -
ʻO ke kaiapuni hoʻohana ʻia o ka coil kila i uhi ʻia i ke kala
1. Nā kumu kaiapuni o ka corrosion Latitu a me ka longitude, ka mahana, ka haʻahaʻa, ka nui o ka pāhawewe (uv intensity, ka lōʻihi o ka lā), ka ua, ka waiwai pH, ka makani makani, ka makani makani, ka sediment corrosive (C1, SO2).2. ʻO ka mana o ka lā ʻo ka Sunlight he hawewe electromagnetic, e like me ka ene ...Heluhelu hou aku -
Manoanoa o ka uhi pena
Mai kahi microscopic o ka nānā ʻana, he nui nā pinholes i loko o ka uhi, a ʻo ka nui o nā pinholes ua lawa ia e ʻae ai i nā media corrosive waho (wai, oxygen, chloride ions, etc.) e komo i loko o ka substrate, a ma lalo o kekahi. ka haʻahaʻa haʻahaʻa, hiki mai ke ʻano ʻino filamentous...Heluhelu hou aku -
Nā mea e pili ana i ka hoʻohana ʻana i ka coil kila PPGI
ʻO ka hopena anticorrosive o ke kūkulu ʻana i nā huahana uhi kala ʻo ia ka hui pū ʻana o ka uhi, kiʻi pretreatment a me ka uhi ʻana (primer, pena kiʻekiʻe a me ka pena hope), e pili pono ana i kona ola lawelawe.Mai ke ʻano anticorrosion o ka uhi kala, ʻo ka uhi kūlohelohe kahi ʻano mea kaʻawale, ...Heluhelu hou aku
