
Questions & Answers
Plastic tubes are made of: EVA, PVDF, PPSU, PSU, POM-C, POM-H, ABS, PC, PET, PETG, PTFE, FEP, PFA, ETFE, TPU, PU, PA6, PA11, PA12, PEX-A, PEX-B, PEX-C, PB-1, PP-H, PP-B, PP-R, PP-RCT, PE 32, PE 40, PE 63, PE 80, PE 100, PE 100-RC, PVC-U, PVC-C, PVC-O.
Key international standards for plastic pipes:
ISO 4427 - Polyethylene pipes for water supply. It specifies requirements for polyethylene pipes, piping systems, fittings, and tubes intended for the transportation of potable and industrial water and the disposal of wastewater under pressure. This standard covers quality control, marking, welding requirements, durability testing, mechanical property requirements, pressure ratings, dimensions, raw material requirements, materials, and the range of application of the pipes.
ISO 15874 - Polypropylene piping systems for cold and hot water supply. This is the primary international standard for polypropylene pipes, piping systems, and fittings intended for cold and hot water supply within buildings, as well as for heating systems. This standard specifies marking, testing, application, connection methods, material requirements, pressure ratings, dimensional ranges, and pipe materials.
ISO 4437 - Polyethylene piping systems for gas supply. This is an international standard establishing requirements for polyethylene pipes, couplings, valves, and fittings intended for transporting gaseous fuels. The standard covers service life, marking, application, fitting requirements, hydrostatic testing, pipe connections, mechanical properties and raw material requirements, and pipe dimensional ranges.
| Outer diameter, mm | Wall thickness, mm | Inner diameter, mm | Weight, kg/m |
| 4 | 1,0 | 2 | 0,01 |
| 6 | 1,0 | 4 | 0,016 |
| 8 | 1,0 | 6 | 0,022 |
| 10 | 1,0 | 8 | 0,028 |
| 12 | 1,5 | 9 | 0,046 |
| 16 | 2,0 | 12 | 0,075 |
| 20 | 2,0 | 16 | 0,097 |
| 25 | 2,3 | 20,4 | 0,138 |
| 32 | 3,0 | 26 | 0,228 |
| 40 | 3,7 | 32,6 | 0,348 |
| 50 | 4,6 | 40,8 | 0,543 |
| 63 | 5,8 | 51,4 | 0,865 |
| 75 | 6,8 | 61,4 | 1,19 |
| 90 | 8,2 | 73,6 | 1,71 |
| 110 | 10 | 90 | 2,55 |
| Material | Designation | Color | Transparency | Operating temperature, °C |
| Polyvinyl chloride | PVC-U | Grey | No | from 0 до +60 |
| Chlorinated PVC | PVC-C | Grey | No | to +95 |
| Polyethylene | PE | Black | No | from -40 до +40 |
| Polypropylene | PP-R | White, gray | No | to +95 |
| Cross-linked polyethylene | PEX | White | No | to +95 |
| Polybutylene | PB | White | No | to +95 |
| Acrylic | PMMA | Transparent | Yes | to +80 |
| Polycarbonate | PC | Transparent | Yes | to +120 |
| Polyamide | PA | Lactic | Partially | to +100 |
| Полиуретан | PU | Transparent | Yes | to +80 |
| Fluoroplastic | PTFE | White | No | to +260 |
| PVDF | PVDF | White | No | to +150 |
| Material | Density, g/cm³ |
| PE | 0,93–0,97 |
| PP | 0,90–0,91 |
| PB | 0,91–0,93 |
| PA6 | 1,13–1,15 |
| PVC-U | 1,38–1,45 |
| PMMA | 1,18–1,2 |
| PC | 1,2–1,22 |
| PETG | 1,27–1,29 |
| PVDF | 1,75–1,8 |
| PTFE | 2,14–2,2 |


