1. Fa'apipi'i vali fa'a

O le fa'apipi'i vali e fa'aaogaina e felauai ai paipa kesi.O le muai fa'avevelaina o le paipa a'o le'i valiina e mafai ona fa'aleleia atili ai le pipii o le vali asphalt ma fa'avave ai le fa'amago.

2. Lisi sima sima + faʻapipiʻi faʻapitoa

O lenei ituaiga o mea e teteʻe ai i totonu e fetaui lelei mo paipa e momoli ai le otaota ma e mafai ona faʻaleleia atili le faʻaleagaina o le pito i totonu.

3. Epoxy koale fa'apipi'i

O le epoxy coal tar coating e fetaui lelei mo paipa kesi ma paipa lapisi.O se faʻapipiʻi e lua-vaega o loʻo i ai le faʻapipiʻi maualuga ma se mea lamolemole

4. Epoxy sima lining

O le epoxy ceramic lining e talafeagai mo paipa lapisi ma paipa kesi, ae ona o le faigata o le gaosiga o gaosiga ma le tau maualuga, e iai ni tapulaʻa faʻaaoga.O le epoxy ceramic lining e maualuga le pipii ma lamolemole ma o se mea e sili ona lelei e teteʻe ai i le corrosion.

5. Fa'apipi'i sima alumini ma fa'apalapala sima sulfate

O nei sima faʻapitoa faʻapitoa e fetaui lelei mo le faʻaogaina o paipa uʻamea i totonu o paipa uʻamea o loʻo faʻaaogaina i paipa lapisi e faʻaleleia ai le faʻaleagaina o vaega o le acid ma le alkali i totonu o le otaota.

6. Faʻapipiʻi Polyurethane

Polyurethane coating o se faʻapipiʻi faʻapitoa e patino i le maualuga maualuga