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News
PE pipe liquid epoxy coating technology to achieve breakthroughs in mending
Guangdong LNG Pipeline Route 3-layer PE coating on-site two-component liquid epoxy fill port of new technologies, on November 23 will be assessed by an expert review. The experts agreed that the success of the field trials to solve the liquid epoxy coating and PE adhesive layer problem, the technical part of PE pipeline fill port areas in the domestic breakthrough. In this trial the use of existing domestic pipeline suitable for construction of the level of mending paint brushing technology, and successfully used in three areas: on-site fill mouth, anti-corrosion anticorrosion plant elbow, directional drilling through the back to drag the process of medium-and long PE layer from the tube severe lacerations (13 consecutive), repairs.
According to the China Association of epoxy resin industry experts, the mending of new technology has the following characteristics: coating process is simple, strong interfacial adhesion, repair method is easy, reliable test results, materials prices lower, less energy-intensive, assembly-line than the fast, but the thickness control more difficult. |
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