The pipe inwall very smooth,good hydraulic water fluid characteristic;
　　Have excellent performance about waterproof,seepage-proofing,chemical resistance;
　　Can long-time running under the high temperature conditions,and keep good mechanical property.
　　The product application environment temperature range widely,usually is -40-70℃,can resistance the sunshine exposure long-term.
　　Have excellent wear-resisting property,the transmission medium can not damage for the pipe inwall;
　　The product heat conductivity coefficient low,good thermal insulation properties.