Site n'echiche nke mkpuchi okpomọkụ nso, epoxy ntụ ntụ mkpuchi na polyurea mgbochi corrosion mkpuchi nwere ike iji na-ejikarị na ala corrosion gburugburu sitere na -30 Celsius C ma ọ bụ -25 Celsius C ka 100 Celsius C, mgbe atọ oyi akwa Ọdịdị polyethylene The. oke ọrụ okpomọkụ nke mgbochi corrosion mkpuchi bụ 70 ℃. N'ihe gbasara mkpuchi mkpuchi, ma e wezụga maka mkpuchi ntụ ntụ epoxy abụọ, ọkpụkpụ nke mkpuchi atọ ndị ọzọ dị n'elu 1mm, nke a ga-ekewa n'ime ụdị akwa mkpuchi.
Otu n'ime ihe ndị dị n'ozuzu nke ọkọlọtọ mkpuchi pipeline bụ ihe eji arụ ọrụ na nke anụ ahụ nke mkpuchi ahụ, ya bụ, ọnọdụ n'ezie nke nwere ike izute na usoro ihe owuwu nke pipeline, dị ka ịtụle mgbada nke pipeline mgbe ịgbado ọkụ na ịkwanye ala. okporo mmiri n'oge a na-arụ pipeline dị anya. A na-emepụta ihe ndị na-emepụta ihe nrịbama na-ebelata okpomọkụ dị ka diamita dị iche iche dị iche iche si dị, ihe ndị na-eguzogide mmetụta nke mkpuchi na-ekpebi site na mmebi nkukota nke ụgbọ njem pipeline na azụ azụ, nkwụchi nke ọkọchị na nkwụsị nke mkpuchi nke mkpuchi na-ekpebi site na ncha. abrasions mgbe a na-agafe pipeline. Yiri eguzogide, wdg Site n'echiche nke ihe ndị a, n'agbanyeghị epoxy ntụ ntụ mkpuchi, atọ oyi akwa Ọdịdị ma ọ bụ polyurea mkpuchi, ha niile nwere ezi arụmọrụ, ma na okwu nke mkpuchi ọkpụrụkpụ, atọ oyi akwa polyethylene nwere kasị elu mmetụta eguzogide uru. mgbe spraying Opekempe mmetụta eguzogide uru nke 14.7J maka polyurea mkpuchi mkpuchi dịkwa mma.

Ebe ọ bụ na a na-ejikarị mkpuchi nke pipelines dị anya na-ejikọta ya na nchebe cathodic, imewe nkemkpuchi pipelinendị na-egosi na-elebara anya na-arụ ọrụ nkwụsị nke mgbochi cathodic nke mkpuchi ahụ, si otú a na-edozi ọrụ nkwụsịtụ oge dị mkpirikpi na nke etiti oge, na-eburu n'uche iji pipeline dị anya. Okpomọkụ si otú ahụ na-edobe ọrụ mkpochapụ cathodic dị elu. Site n'echiche ntọala index, ọ bụ ihe doro anya na ihe mgbochi nkwụsị nke cathodic mkpuchi nke epoxy mkpuchi dị elu, nkwụsị nke cathodic kachasị bụ 8.5mm na ụlọ okpomọkụ maka 28d, na nkwụsị nke cathodic kachasị na okpomọkụ dị elu bụ 6.5mm na 48h. . Ngosipụta nke mkpuchi urea dị ntakịrị, 12mm na 15m n'otu n'otu.