Plastic tube Specifications: 1). Nominal diameter: 6 - 315mm 2). Working pressure: -0.08 ~ 10mpa 3). Corrosion resistance: resistant to 50% 4). Naoh, 38% hydrochloric acid, 50% sulfuric acid 5). Weight: 1/2 of galvanized tube 6). Seepage: no leakage under 3.2mpa hydraulic pressure 7). Flow resistance: 1/2 of metallic tube Carton