For the internal pipe wall claded with electrostatic spray-on process, the various anti-corrosion indexes have reaches the design requirements, the impact strength is not less than 4. 9 J; the breakdown valtage of the clad is not less than 30 kV/mm.

• 经静电喷涂的钢管管壁；内外防腐的各项指标均达到设计要求；抗冲击强度不小于4.；9J；覆盖层耐击穿电压不小于30kV/mm。