High quality insulation tube of air conditioner as air condition spare parts for split air condition Outer diameter 6.35 mm; 9.52 mm;12.7 mm;15.88 mm;19.05 mm Length 3-10mm Cu(min) 10% Wall thickness 0.7-1.2 mm Insulation pipe thickness 8mm Elongation(≥%) 40% Tensile strength(≥MPa) 170 Alloy or not Alloy Material XPE or RUBBER Application Air condition or refrigerator Technical standard of copper aluminum connecting pipe: (1)Welding point: no pores,cracks,slag,burrs and burn,not fusion,no obvious oxide film,no plug hole without significantly reduced(Φ6.3hole is larger than 3.0mm); (2)Air tightness: using a high pressure for 4.0MPa pressure for 5 minut…