Characteristic | Requirement | Test parameters | Test method | |
Parameter | Value | |||
Compound density | ≥ 930 kg/m3 | Test temperature | 23 °C | ISO 1183-2 |
Number of test pieces | According to ISO 1183-2 | |||
Carbon black content (black compound only) | (2 to 2,5) % by mass | In accordance with ISO 6964 | ISO 6964 | |
Carbon black dispersion (black compound only) | ≤ grade 3 | In accordance with ISO 18553 | ISO 18553 | |
Pigment dispersion (blue compound only) | ≤ grade 3 | In accordance with ISO 18553 | ISO 18553 | |
Water content | ≤ 300 mg/kg | Number of test pieces | 1 | ISO 15512 |
Volatile content | ≤ 350 mg/kg | Number of test pieces | 1 | EN 12099 |
Oxidation induction time | ≥20 min | Test temperature | 200℃ | ISO 11357-6 |
Number of test pieces | 3 | |||
Melt mass-flow rate (MFR) for PE 40 | 0,2 to 1,4 g/10 min Maximum deviation of ± 20 % of the nominated value | Load | 2, 16 kg | ISO 1133:2005, Condition D |
Test temperature | 190 ℃ | |||
Time | 10 min | |||
Number of test pieces | According to ISO 1133 | |||
Melt mass-flow rate (MFR) for PE 63, PE 80 and PE 100 | 0,2 to 1,4 g/10 min Maximum deviation of ± 20 % of the nominated value | Load | 5kg | ISO 1133:2005, Condition T |
Test temperature | 190 ℃ | |||
Time | 10 min | |||
Number of test pieces | According to ISO 1133 |
Characteristic | Requirement | Test parameters | Test method | |
Parameter | Value | |||
Tensile strength for butt-fusion | Test to failure: Ductile — Pass Brittle — Fail | Pipe diameter | 110 mm | ISO 13953 |
Pipe diameter ratio | SDR 11 | |||
Test temperature | 23 ºC | |||
Number of test pieces | According to ISO 13953 | |||
Slow crack growth pipe size 110 mm or 125 mm SDR 11 | No failure during test period | Test temperature | 80 ºC | ISO 13479 |
Intemal test pressure for: PE 63 PE 80 PE 100 | 6,4 bar 8,0 bar 9,2 bar | |||
Test period | 500 h | |||
Type of test | Water in water | |||
Number of test pieces | According to ISO 13479 | |||
Effect on water quality | According to existing national regulations | |||
Resistance to weathering | Weathered test pieces shall have: | Cumulative solar radiation | ≥ 3,5 GJ/m2 | ISO 16871 |
a) Decohesion of electrofusion joint | Percentage of brittle failure: ≤ 33,3 % | Temperature | 23 ºC | ISO 13954 |
Assembly procedure | ||||
b) Elongation at break | According to ISO 4427-2:2007, Table 5 | ISO 6259-1 ISO 6259-3 | ||
c) Hydrostatic strength at 80 ºC | According to ISO 4427-2:2007, Table 3 | ISO 1167-1 |
Characteristic | Requirement | Test parameters | Test Method | |
Parameter | Value | |||
Hydrostatic strength at 20 °C | No failure of any test piece during test period | End caps Conditioning period Number of test piecesc Type of test Test temperature Test period Circumferential (hoop) stress for: PE 40 PE 80 PE 100 | Type a According to ISO 1167-1 3 Water-in-water 20 °C 100 h 7,0 MPa 10,0 MPa 12,0 MPa | ISO 1167-1 ISO 1167-2 |
Hydrostatic strength at 80 °C | No failure of any test piece during test period | End caps Conditioning period Number of test piecesc Type of test Test temperature Test period Circumferential (hoop) stress for: PE 40 PE 80 PE 100 | Type a According to ISO 1167-1 3 Water-in-water 80 °C 165 h 2,5 MPa 4,5 MPa 5,4 MPa | ISO 1167-1 ISO 1167-2 |
Hydrostatic strength at 80 °C | No failure of any test piece during test period | End caps Conditioning period Number of test piecesc Type of test Test temperature Test period Circumferential (hoop) stress for: PE 40 PE 80 PE 100 | Type a According to ISO 1167-1 3 Water-in-water 80 °C 1000 h 2,0 MPa 4,0 MPa 5,0 MPa | ISO 1167-1 ISO 1167-2 |
Characteristic | Requirement | Test parameters | Test Method | |
Parameter | Value | |||
Elongation at break for e ≤ 5 mm | ≥350 % | Test piece shape Test speed Number of test pieces | Type 2 100 mm/min According to ISO 6259 | ISO 6259-1 ISO 6259-3 |
Elongation at break for 5 mm < e ≤ 12 mm | ≥350 % | Test piece shape Test speed Number of test pieces | Type 1 50 mm/min According to ISO 6259 | ISO 6259-1 ISO 6259-3 |
Elongation at break for e > 12 mm | ≥350 % | Test piece shape Test speed Number of test pieces | Type 1 25 mm/min According to ISO 6259 | ISO 6259-1 ISO 6259-3 |
OR | ||||
Test piece shape Test speed Number of test pieces | Type 3 10 mm/min According to ISO 6259 | |||
Longitudinal reversion | ≤3 % No effect on surface | Length of pipe and number of test pieces Test temperature: PE 40 PE 80, PE 100 Time | According to ISO 2505 100 ± 2 °C 110 ± 2 °C See ISO 2505 | ISO 2505 |
Melt mass-flow rate MFR for PE 40 | Change of MFR by processing ±20 % | Load Test temperature Time Number of test pieces | 2,16 Kg 190 °C 10 min According to ISO 1133-1 | ISO 1133-1 |
Melt mass-flow rate MFR for PE 80, PE 100 | Change of MFR by processing ±20 % | Load Test temperature Time Number of test pieces | 5,0 Kg 190 °C 10 min According to ISO 1133-1 | ISO 1133-1 |
Oxidation induction time | ≥20 min | Test temperature | 200 °C | ISO 11357-6 |
Test environment | Oxygen | |||
Number of test pieces | 3 |