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51314-3804-Qualification Test Protocol for external High Temperature Pipeline Coatings

Product Number: 51314-3804-SG
ISBN: 3804 2014 CP
Author: Benjamin Chang
Publication Date: 2014
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In the past the service temperature for the external pipeline coatings has tended to be below 65 °C.  Both FBE (fusion bonded epoxy) and 3LPE (3 layer polyethylene) have performed reasonably well at these temperatures.  In recent years however higher service temperatures pipeline coatings ( >100ºC ) have been requested by the end users worldwide.   In response to this demand the coating manufacturers have fabricated several new high glass transition temperature FBE coatings for this market.  However as yet there is no publicly accepted test protocol to qualify these new coatings. A new test protocol to quality high temperature pipeline coatings will be presented and the preliminary data will also be demonstrated.  The test protocol includes the evaluation of the coating material thermal and thermo-oxidative stability and the resin-steel interfacial adhesion durability under the service environment. This test protocol has already been used to qualify the high service temperature pipeline coatings for major oil and gas operators including gas transfer lines with a design temperature of 110ºC.  
In the past the service temperature for the external pipeline coatings has tended to be below 65 °C.  Both FBE (fusion bonded epoxy) and 3LPE (3 layer polyethylene) have performed reasonably well at these temperatures.  In recent years however higher service temperatures pipeline coatings ( >100ºC ) have been requested by the end users worldwide.   In response to this demand the coating manufacturers have fabricated several new high glass transition temperature FBE coatings for this market.  However as yet there is no publicly accepted test protocol to qualify these new coatings. A new test protocol to quality high temperature pipeline coatings will be presented and the preliminary data will also be demonstrated.  The test protocol includes the evaluation of the coating material thermal and thermo-oxidative stability and the resin-steel interfacial adhesion durability under the service environment. This test protocol has already been used to qualify the high service temperature pipeline coatings for major oil and gas operators including gas transfer lines with a design temperature of 110ºC.  
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