2PP/3PP Anti-corrosion pipe 
  Three-layer PE/PP coating is characterized by excellent corrosion-proof performance,insulatibity,relatively long service life and mechanical damage resistance. It is widely used in coating for all kinds of major pipeline engineering.
 
  
 
 -  3PP preservation: 
- PP three-tier structure of anti-corrosion pipeline: the first layer of epoxy powder (FBE50 - 100um), the second adhesive (AD) 250 - 400um, the third layer of polypropylene (PP) 1.4 - 4.0mm. Three of the integration, and steel pipe with a good solid coating, Coating temperature up to 110 degrees. 
- Diameter of Φ159 - Φ1220 
 - 2PP preservation: 
- PP anti-corrosion pipe two-story structure: the first layer adhesive (AD), the second layer of polypropylene (PP), two kinds of integration, three layers thick with the same PP.