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uv resistance pexb pipe .
uv resistance pexb pipe advantages
1.Domestic innovative pex composite pipe has double layers,white lining,has passed the drinking water hygiene standards.The outer layer containing carbon black anti-ultraviolet radiation. The service life is 25 yr if pipes being exposed to the outdoor and 50yr used inside.This pipe filled the blank of outdoor UV resistant and heat-resistant pipe.
2.Advanced formulation technology and reactive extrusion process ensures the high quality of the production process as well as the products.
3.Supporting tube technology: advanced expanding-type pipe fitting ensures the reliability of technical connected.
uv resistance pexb pipe application
1.Solar facilities systems
2.Drink water system
3.Hot and cold water system
4.Central air -conditioning system
5.Agriculture and irrigation systems
6.Rain water and swimming pool pipe network system
uv resistance pexb pipe Test Index
| Term | Unit | Technigue Index |
| Density | g/cm³ | ≥0.94 |
| Cross linking degree | % | ≥65 |
| Vicat softening point | °C | 133 |
| Thermal conductivity coefficient | w/m.k | 0.35 |
| Longitudinal reversion | % | ≤3.0 |
| Thermal oxidation life | yr | 25(outside),50(inside) |
| Tensile strength | N/mm² | 20°C19-26,100°C9-13 |
| Elongation at break | % | 20°C350-500, 100°C500-700 |
| Long time using temperature | °C | -70~95 |
| Linear expansion coefficient | m/mºk | 20°C1.4*10-4 100°C2.05*10-4 |
| Hydraulic resistance performance | Short-term | 20°C,hoop stress12.0Mpa:1h,not cracking,no leakage |
| 95°C,hoop stress 4.8Mpa,1h,not cracking,no leakage | ||
| Long-term | 95°C,hoop stress 4.7Mpa,22h,not cracking,no leakage | |
| 95°C,hoop stress4.6Mpa,165h,not cracking,no leakage | ||
| 95°C,hoop stress4.4Mpa,1000h,not cracking,no leakage |
UV Resistance PEXb Pipe