... , Refrigeration, Natural Gas. 1. O.D.:3.18mm-22.23mm. 2. W.T.: 0.40mm-1.5mm. 3. Length: 15m 1. Pancake Copper For Air ... Conditioner, Refrigeration, Natural Gas, Water, General Plumbing.2. Outside Diameter: 3.18mm-22.23mm3. Length:15m,18m, 25m, 30m.4. Temper: Soft5. Standard ... B75, ASTM B837, EN12735, JIS H3300, AS1432, AS1571.6. Package:3-20 Rolls/Carton Box.