| Sr. No. |
Test Result |
Acceptance Norms |
Reference |
| 1. |
Raw Material & Test Results-Satisfactory |
|
|
940.0 to 958.0 kg/m²
|
| 0.20 to 1.10 gm/10minute |
|
| IS : 4984 : 1995 |
| IS : 14333 : 1996 |
|
|
| 2. |
Visual Appearance |
|
|
Satisfactory
|
| The internal & external surface of the pipes are smooth, Clean and free from grooving & other defects. |
|
| IS : 4984 : 1995 |
| IS : 14333 : 1996 |
|
|
Dimension & Tolerance
|
| Outside Diameter |
| Wall Thickness of pipe |
| Ovality |
| Strips width |
| Length pipe/coil |
|
|
| As per relevant BIS Standards |
|
| IS : 4984 : 1995 |
| IS : 14333 : 1996 |
|
| 3. |
Performance Requirements |
|
Density
|
| Melt Flow Rate |
| Carbon Black Content |
| Carbon Black Dispersion |
| Reversion test |
| Hydraulic Characteristics Internal Pressure Creep Rupture test (IPCR) |
|
940.0 to 958.0 kg/m²
|
| 0.20 to 1.10 gm/10 minute |
| 2 - 3 % |
| Satisfactory. |
| 3% Maxi. |
Should not show no signs of localized swelling, leakage or weeping and not burst during the prescribe test duration Acceptance test : 48 Hrs. Duration at 80°C at specified stress value.
Type test : 165 Hrs. Duration at 80°C at specified stress value. |
|
| IS : 4984 : 1995 |
| IS : 14333 : 1996 |
|
| g. |
Overall Migration |
10 mg/dm² |
IS : 4984 : 1995 |
| |