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  PrimerFinishFinish Finish   ≥0.30 
Strengthen level   PrimerFinishFinishglass clothfinishFinish  ≥0.40 
Special strengthen level   PrimerFinishFinishglass clothfinishfinishglass clothfinishfinish  ≥0.60 
     
     

 

Note:

  1. ‘Finish, Glass cloth, Finish’ should coat continuously, also it can be used in place of a layer of glass cloth soaked finish.
  2. Under the harsh corrosive environments or user requirements, the coating may be appropriate to increase the paint layers.