Specifications
PE-RT Oxygen barrier pipes DINStandard: DIN
Material: PE-RT
PERT/EVOH oxygen-barrier pipe, which is a new Wpe pipe for cold water. hot water and floor heating pipe.
With very low infiltration of Oxygen (0.02mol/m.s.KPa). it can combine the advantages of EVOH omo PERT pipes.
As the picture shows, the outer layer is EVOH,the inner layer is glue/adhesive, the inner layer is PE-RT.We design the oxygen-barrier at outside layer, in order to make the quality under an effective control, but please pay attention then to make welding.
gas leaking rate of different materials (mol/m.s.KPa)
| Material | O2 | Vapor | CO2 |
| PP-R | >300-400 | 0.06-0.2 | 1200-1400 |
| PE | 500-700 | 0.06-0.2 | 2000-4000 |
| PS | 600-800 | 0.5-3.0 | 2400-3000 |
| PVDC | 0.04-0.03 | 0.02-0.1 | 0.10-0.5 |
| EVOH | 0.02 | 0.06 | 0.09 |
| PVC-U | 4-10 | 25-90 | 10-40 |
| Mane | Advantage | Disadvantage |
| Al-compound pipe | Oxygen-barrier | Too hard to bend when using as floor heating system |
| Steel,Iron pipe | Oxygen-barrier | Cannot be used as floor heating pipe,short using life |
| PVDC pipe | Oxygen-barrier | Too hard to roll,can not withstand high temperature |
| PE-RT/EVOH pipe | Oxygen-barrier | Price will be a little higher than common floor heating pipe,better in quality |

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