polymold products HIGH DENSITY POLYETHYLENE & POLYPROPYLENE PIPING SYSTEMS |
HIGH DENSITY POLYETHYLENE ( HDPE ) PIPES—20mm TO 1000MM |
Indian Standards IS 4984-95 water supply IS 14333 for sewage & wastewater |
International Standards ISO 4427 for water EN 12201 for water AS-NZ 4130 SABS ISO 4427 DIN 8074
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Standards referred to in the PE Piping The plastics pipes industry revolves around specifications and standards for the products and test methods to verify performance. Pipe systems are one of the most critical applications for thermoplastics materials with a design lifetime of 50 years and expected lifetime in excess of 100 years. Products must be fit for purpose and the end user needs confidence in the product in order to specify them. Specifications and dimensions must be universal and methods of test need to be standardised. The industry has put in a great deal of effort over many years to develop reliable methods.
ISO 4427-1:2007, Plastics piping systems – Polyethylene (PE) pipes and fittings for water supply – Part 1: General ISO 4427-2:2007, Plastics piping systems – Polyethylene (PE) pipes and fittings for water supply – Part 2: Pipes ISO 4427-3:2007, Plastics piping systems – Polyethylene (PE) pipes and fittings for water supply – Part 3: Fittings ISO 4427-5:2007, Plastics piping systems – Polyethylene (PE) pipes and fittings for water supply – Part 5: Fitness for purpose |
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Property |
|
Value |
Unit |
Test Method |
Test Specimen |
Density @ 23° C |
|
0.958 |
g/cm3 |
ISO 1183 |
10mm x 10mm x 4mm |
Viscosity Number |
|
380 |
ml/g |
ISO 1628-3 |
0.1% solution of granules in |
|
|
|
|
|
decahydronaphthalene |
Melt Flow Rate |
MFR 190/5 |
0.23 |
g/10 min -1 |
ISO 1133 |
Granules sample weight |
|
MFR 190/21.6 |
6.50 |
g/10 min -1 |
|
3g to 6g |
Tensile Properties |
Yield Stress |
26 |
N/mm 2 |
ISO 527, Test |
ISO 3167, 4mm thick |
|
|
|
|
Rate 50mm/min |
|
|
Elongation at Yeild Stress |
10 |
% |
ISO 527, |
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|
|
|
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Test Rate 50mm/min |
|
|
Tensile Modulas of |
900 |
N/mm 2 |
ISO 527 |
|
|
Elasticity |
|
|
|
|
|
Tensile Creep Modulas |
650 |
N/mm 2 |
ISO 899, Test Load |
|
|
( 1 Hour Value ) |
|
|
2M/mm 2 |
|
Hardness |
Ball Indentation Hardness |
|
|
|
|
|
Shore Hardness D (3 sec value) |
61 |
~ |
ISO 868 |
6mm sheet |
|
Shore Hardness D (15 sec value) |
59 |
~ |
|
|
Vicat Softening |
|
67 |
°C |
ISO 306 |
4mm sheet |
Point VST/B/50 |
|
|
|
|
|
Oxidation |
200 °C in O2 |
>=60 |
min |
ISO TR 10837 |
Granules |
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