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A current Ceramic Polymer project:
External coating of 90 km oil pipeline with 'Progard CN 100 iso"
 One of the biggest oil refineries worldwide is located in Abadan at the Persian Gulf. From here, a pipeline with a length of 90 km leads to the port city Bandar Mahshahr. The pipeline was installed about 7 years ago.
In Abadan the oil has an inlet temperature of 90°C. On the long transport distance it cools down to approx. 60°C outlet temperature.
Usually the special PP-wrapping provides long-term corrosion protection for underground pipelines. But in this case the polypropylene tapes shrank substantially due to the high service temperature. Thereby, large metal surfaces are uncovered and unprotected.
The corrosion of the bare metal is rapidly accelerated by the highly standing, saline groundwater. Thus, countless leakages occur in the pipeline; the oil flows out constantly.
During its extensive refurbishment the pipeline is excavated in separate sections. The PP-wrapping is removed and surface damages are repaired. The substrate is grit blasted accurately. Afterwards our premium coating „Proguard CN 100 iso“ is applied easily by airless spraying method.
The repair and new coating of the pipeline is conducted during ongoing operation.
Oil with a temperature of 90°C flows constantly through the pipe.
„Proguard CN 100 iso” is applied directly on the hot steel
substrate!
The 2-component epoxy coatings of our solvent-free „Proguard-Series” (VOC = 0 mg) are based on ultra-modern, unplasticized special resins. The Tg-value (glas transition temperature) of these coating systems is > 120 °C. Therefore, a tight cross linking of the polymer chains is achieved even at high substrate temperatures.
Source: Ceramic Polymer GmbH - www.ceramic-polymer.de
May 21, 2013
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