New Patching Method For Epoxy Coal Pitch Anti-corrosion Steel Pipes
1. After the surface pretreatment of the steel pipe in the patching part, primer should be applied within 8 hours. The primer should be even and no leakage should be allowed. 2. After the primer is dry, you can apply topcoat and wrap the glass cloth. If the weld is higher than 2mm, use topcoat […]