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3PE steel corrosion

2016-10-19 11:21:12   COMMENT:0 HITS:
  3PE steel corrosion is a 3 layer polyethylene coating ( MAPEC ) pipe outside coating, is the commonly used ananticorrosion pipeline. There are other IPN8710, FBE epoxy powder coating, epoxy coal tar and other anti-corrosionmethod.

  Anti corrosion structure

  3PE preservative generally is composed of 3 layers: the first layer epoxy powder ( FBE>100um ) the second adhesive layer ( AD ) 170~ 250um third layer polyethylene ( PE ) 2.5 ~3.7mm actual operation, three kinds of material mixed com.,after processing and make the steel firm combining excellent anticorrosion layer. The processing methods are generally divided winding and round coated two kinds of.

  3PE anti-corrosion steel pipe standard

  The implementation of SY/T0413-2002 standards, in August 1, 2002 since the implementation of. Standard forpolyethylene and high density polyethylene, VEKA softening point for not less than 110 DEG C; anticorrosion layerthickness according to the low, medium density polyethylene consisting mainly of German standard DIN30670-1991 to determine. Greatly improve the impact strength of 3PE anticorrosion layer. SY/T0413-2002 3PE anticorrosion layerpeeling strength, impact resistant indexes greatly increased, and clearly specified according to some special materialcontent of carbon black, ensure that the 3PE coating on the mechanical strength and weather resistance, and increasedcoating peeling strength ( i.e. the heat-shrinkable sleeve, shrink with the primer steel peel strength ) sampling frequency.

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