Coal tar epoxy anti-corrosion steel pipe
Implementation standard
Buried steel pipeline coal tar epoxy coating technology standard SY / T0447- 1996
The corrosion level and structure
| Level |
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 |
Note:
- ‘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.
