HDPE Pressure Pipes


Tahwelya manufactures products that meet or exceed acceptable quality and product standards to ensure customer satisfaction.

The HDPE duct and Micro ducts are produced according to international standard and complied with the associated test requirements.

All tests are made at Tahwelya laboratory as well as the independent international laboratories.

For more detailed specifications (including tests and report please contact our technical department).

Dimension of Pipe (Outside Diameter, WT, Ovality) mm ISO 3126 ---
Density g/cm³ ISO 1183 0.950
Melt Flow Rate (MFR) g /10min ISO1133 0.25
Tensile Strength at Yield MPa ISO 6259 21
Elongation at break % ISO 6259 600
Longitudinal Reversion % ISO 2505 0.5
Carbon Black Content % ISO 6964 2.5
Carbon Black Dispersion Grade ISO 18553 2
Oxidation Induction Time (OIT) Minutes ISO 11357 60
Hardness Shore D ASTM D 2240 60
Hydrostatic Pressure at 20 oC Hours/No Failure ISO 1167 100/No Failure
Hydrostatic Pressure at 80 oC Hours/No Failure ISO 1167 165/No Failure
Slow Crack Growth Resistance Minutes/No Failure ISO 13479 No Failure
Tensile Strength for Butt Fusion MPa, Ductile/Brittle ISO 13953 20/Ductile
Bend-Back --- AWWA C906 No Cracking or Grazing