| S. No. |
Test Description |
Test Method |
Test Requirement |
| 1 |
Dimension: |
|
|
|
(a) Outside diameter |
|
|
|
(b) Ovality |
|
|
|
(c) Wall thickness |
G/CDS-08/02 Nov. 2004, ISO:3126 |
As per Table |
| 2 |
Visual Inspection |
G/CDS-08/02 Nov. 2004, ISO:3126 |
As per Specifications |
| 3 |
Density at 230C GMS/CC |
IS:7328, IS:2330 |
0.940-0.958 |
| 4 |
Melt Flow Index at 1900C |
IS:7328, ISO:1133 |
0.2 to 1.1 |
| 5 |
Tensile Strength at yield |
IS:1415-Part-1 ISO:6259 |
Min 20N/mm2 |
| 6 |
Elongation at Break |
IS:1415-Part-1 ISO:6259 |
Min 500% |
| 7 |
Co-efficient of Friction |
IS:1415-Part-1 ISO:6259 |
<0.06 |
| 8 |
Impact Strength |
IS:1415-Part-1 ISO:6259 |
No Split or Crack |
| 9 |
Oxidation Induction time |
IS:1415-Part-1 ISO:6259 |
>30Minutes |
| 10 |
Environmental Stress & Crack resistance |
ASTMD-1693 |
No Split or Crack |
| 11 |
Heat Reversion |
IS:4984 |
Change< 3% |
| 12 |
Internal Hydrostatic pressure creep rapture |
IS:4984 & ISO:1167 |
Passes |
All above mentioned test on PLB HDPE DUCTS are conducted in-house as per DOT specification No. G/CDS-08/02 Nov.2004 and ISO:3126.