Inner tube: materials such as nitrile nitrile rubber, PVC, EPDM, etc. are often used. The inner tube of the braided tube is mainly made of nitrile butadiene rubber and PVC;
Outer layer: woven with 8 strands of Φ8mm 304 stainless steel wire, density ≥20 turns/40mm;
Nut and inner core: made of HPb59 high-quality brass by stamping, machining and other processes, the surface of the nut is chrome-plated;
Connection sleeve: made of HPb62～HPb65 copper sheet, the surface is chrome-plated;
Gasket: Use 4.5mm nitrile rubber flat gasket .