Physical and Mechanical Properties – Inner Micro duct 14/10mm |
1 | Visual appearance | Visual inspection | Ribbed inside & smooth outside surface, free from blisters, shrink hole, flaking, scratches & roughness. |
2 | Outer diameter |
| 14.0mm ± 0.1mm |
3 | Wall thickness |
| 2.00mm ± 0.10mm |
4 | Inner diameter clearance | Blowing steel ball | A 8.5mm steel ball can be blown freely through the duct. |
5 | Ovality | FCST | ≤ 5% |
6 | Pressurization | 5 minutes @25bar each duct | No damage and leakage |
7 | Kink | IEC 60794-1-2 Method E10 | ≤ 140mm |
8 | Tensile strength | Rate of extension:
100mm/min | ≥ 1350N |
9 | Crush | Sample length: 250mm
Load: 1400N
Duration of Max. load: 1 min
Recovery time: 1 hour | No residual deformation > 15% of inner and outer diameter, shall pass inner diameter clearance test. |
10 | Impact | IEC 60794-1-2 Method E4
1.5J Impact, recovery time 1 hour | No residual deformation > 15% of inner and outer diameter, shall pass inner diameter clearance test. |
11 | Heat reversion | 110℃ ～ 23℃, 1 hour | ≤ 3% |
12 | Min. bend radius | 168mm | No residual deformation > 15% of inner and outer diameter, shall pass inner diameter clearance test. |
13 | Co-efficient of Friction | 750mm Diameter, 450°loop, 5kg mass | ≤ 0.1 |
14 | Color and printing | Visual inspection | As per customer specification |
Test | Characteristic | Test Method | Acceptance Criteria |
Physical and Mechanical Properties – tube bundles |
1 | Visual appearance | Visual inspection,
Outer sheath: Black | Ribbed inside & smooth outside surface, free from blisters, shrink hole, flaking, scratches & roughness. |
2 | Outer diameter | FCST | 44.4mm*40.6mm (± 1.1mm) |
3 | Sheath Wall thickness | FCST | 1.20mm ± 0.20mm |
4 | Pressurization | 5 minutes @25bar each duct | No damage and leakage |
5 | Tensile strength | Rate of extension:
100mm/min | ≥ 6600N |
6 | Crush | Sample length: 250mm
Load: 2000N
Duration of Max. load: 1 min
Recovery time: 1 hour | No residual deformation > 15% of inner and outer diameter, shall pass inner diameter clearance test. |
7 | Impact | IEC 60794-1-2 Method E4
15.0J Impact, recovery time 1 hour | No residual deformation > 15% of inner and outer diameter, shall pass inner diameter clearance test. |
8 | Min. bend radius | 820mm | No residual deformation > 15% of inner and outer diameter, shall pass inner diameter clearance test. |
9 | Color and printing | Visual inspection | Orange or as per customer specification |
Completed packages of the HDPE micro duct on drum can be stored outdoor max. 6 months upon the date of production.
Storage temperature: -40°C ～ +70°C
Installation temperature: -30°C ～ +50°C
Operating temperature: -40°C ～ +70°C
Company Address：4F, Block 3, Unibulit Technology Industrial Park, HuaRong, Dalang, Longhua,Shenzhen,China
