Water pipes were coated with polyethylene and epoxy powder both outside and inside on the seamless steel pipes.IMRI produces food grade water supply steel pipes with anti-corrosion coatings according to CJ/T 120.Please feel free to contact us if you need any kind of coating plastic steel pipes.
Specifications:
| Standard | CJ/T 120 |
| Processing ability | OD:38mm-1620mm;WT:2mm-30mm |
| Length | 6-14m |
| Packing | PE/BE,plastic cap,bundling |
| Technique | Internal and external surface on welded pipe or seamless pipe |
| Application | suitable for water supply pipeline |
| Service condition | underground |
| Place of origin | China |
| MOQ | 3 pieces |
| Transportation | 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port →America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea, Australia…(shipping) 2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”) |
| Internal and external coating thickness of coating plastic steel pipe | ||||||
| DN | Internal coating | External coating | ||||
| Polyethylene | Epoxy | Polyethylene | Epoxy | |||
| normal | strength | normal | strength | |||
| 15 | ＞0.4 | ＞0.3 | ＞0.5 | ＞0.6 | ＞0.3 | ＞0.35 |
| 20 | ||||||
| 25 | ||||||
| 32 | ||||||
| 40 | ||||||
| 50 | ||||||
| 65 | ||||||
| 80 | ＞0.5 | ＞0.35 | ＞0.6 | ＞1.0 | ＞0.35 | ＞0.4 |
| 100 | ||||||
| 125 | ||||||
| 150 | ||||||
| 200 | ＞0.6 | ＞0.8 | ＞1.2 | |||
| 250 | ||||||
| 300 | ||||||
| 350 | _ | ＞0.4 | ＞1.0 | ＞1.3 | ＞0.4 | ＞0.45 |
| 400 | ||||||
| 450 | ||||||
| 500 | ||||||
| 600 | ||||||
| 700 | ||||||
| 800 | ||||||
| 900 | ＞0.45 | ＞1.2 | ＞1.8 | |||
| 1000 | ||||||
| 1100 | ||||||
| 1200 | ||||||
| 1400 | ＞1.5 | |||||
| 1500 | ||||||
| 1600 | ||||||
| 1800 | ||||||
| 2000 | ||||||
| Properties of polyethylene powder | ||
| Item | Indicators | Inspection methods |
| Density(g/cm3) | ＞0.91 | GB/T 1033 |
| Tensile strength MPa | ＞9.8 | GB/T 1040.1 |
| Elongation at break % | ＞300 | GB/T 1040.1 |
| Soften the vica ℃ | ＞85 | GB/T 1633 |
| Nonvolatile content % | ＞99.5 | GB/T 2914 |
| Sanitary performance (delivery of drinking water) | Comply with GB/T17219 | |
| Properties of epoxy resin powder | ||
| Item | Indicators | Inspection methods |
| Density(g/cm3) | 1.3-1.5 | GB/T 1033 |
| Particle size distribution % | On the screen 150 μm≤3;on the screen 250 μm≤0.2 | GB/T 6554 |
| Nonvolatile content % | ≥99.5 | GB/T 6554 |
| Horizontal flow mm | 22-28 | GB/T 6554 |
| Gel time s | ≤120(200℃) | GB/T 6554 |
| Sanitary performance (delivery of drinking water) | Comply with GB/T17219 | |
