Coal tar epoxy anti-corrosion steel pipe
Buried steel pipeline coal tar epoxy coating technology standard SY / T0447- 1996
The corrosion level and structure
Dry film thickness (mm)
|Regular level||Primer—Finish—Finish —Finish||≥0.30|
|Strengthen level||Primer—Finish—Finish、glass cloth、finish—Finish||≥0.40|
|Special strengthen level||Primer—Finish—Finish、glass cloth、finish—finish、glass cloth、 finish—finish||≥0.60|
- ‘Finish, Glass cloth, Finish’ should coat continuously, also it can be used in place of a layer of glass cloth soaked finish.
- Under the harsh corrosive environments or user requirements, the coating may be appropriate to increase the paint layers.