EN877 Nkedo ígwè ọkpọkọ BML, KML, TML
♦BML drainage ọkpọkọ
Ọkpụkpọ mmiri BML bụ maka sistemu mmiri mmiri.
Mkpuchi mkpuchi: zinc mkpuchi nke dịkarịa ala 40μm oyi akwa ọkpụrụkpụ (290g / m2), na-ekpuchi mkpuchi ọlaọcha isi awọ epoxy resin dịkarịa ala 80μm.
N'ime mkpuchi: epoxy resin 120μm dị ka SML ọkpọkọ.
♦KML drainage ọkpọkọ
A na-eji ọkpọkọ mmiri KML maka mmiri mkpofu nwere griiz nke kichin ndị ọkachamara na akụrụngwa ndị yiri ya.
Mkpuchi dị n'èzí: mkpuchi zinc na njupụta mpaghara nke min.130g /㎡, na-ekpuchi mkpuchi epoxy nke kacha nta nke 60μm.
N'ime mkpuchi: epoxy agba orche, okpukpu abụọ oyi akwa dịkarịa ala 240μm.
A na-ekpuchi akwa akwa KML n'ime na n'èzí jiri epoxy ntụ ntụ dị elu nke opekata mpe 120μm.
♦TML drainage ọkpọkọ
TML drainage ọkpọkọ dabeere na EN877 na-eji maka nwụnye n'okpuru ala.
Mkpuchi dị n'èzí: mkpuchi zinc na njupụta nke 130g /㎡, na-ekpuchi mkpuchi aja aja ma ọ bụ ọbara ọbara.
N'ime mkpuchi: orche-acha epoxy, oyi akwa ọkpụrụkpụ dịkarịa ala 120μm.
Ngwakọta: epoxy ntụ ntụ mkpuchi uhie, 120μm opekata mpe.
Oge nzipu: Mar-01-2021