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40/33mm HDPE Silicone Pipe
Product Advantages
lHeading, laying down and connecting the HDPE Silicon Duct can be performed under ambient temperatures of -20°C to +50°C.
lIf temperature drops below -20°C, the HDPE duct get brittle so that their breaking can occur if they are stressed, above all by impacts. Neither damage nor deterioration of the mechanical properties of the HDPE microduct conduit occurs during storage of the pipe without handing under lower temperatures usual in our climatic conditions (up to -30°C).
lMinimum bending radius for pipe’s dimensions must not be exceeded. This is 20 times value of their outer diameter.
Product Materials
HDPE of a high-molecular type with the following parameters is used for production of HDPE Silicon Duct:
lMelt flow index: 0.1 ～ 0.3 g/10 minutes ISO 1133 (190°C , 2.16KG)
lDensity: Min. 0.940 g/cm3 ISO 1183
lTensile strength at yield: Min. 20MPa ISO 527
lElongation at the break: Min 350% ISO 527
lEnvironmental stress crack resist (F50) Min. 350 hours ISO 4599
Product Specifications
Duct | Outer Diameter | Inner Diameter | Wall Thickness | Ovality | ||
Min(mm) | Max(mm) | Min(mm) | Min(mm) | Max(mm) | ||
40/33mm | 40.0 | 40.4 | 32.9 | 3.3 | 3.7 | ≤ 5% after coiled |
Item | Performance | |||||
1 | Appearance | Smooth inner & outer wall without visible impurity, well-proportioned color, no bubble or crack | ||||
2 | Stiffness of Outer Wall | ≥ 59 (Shore-D) | ||||
3 | Tensile Strength at yield | ≥ 21 MPa | ||||
4 | Elongation at break | ≥ 380 % | ||||
5 | Maximal Pulling Load | ≥ 8000 N | ||||
6 | Friction Coefficient of Inner Wall | ≤ 0.15 | ||||
7 | Flatting test | Unload immediately after being vertically pressed till 50% distortion of original outer diameter, the sample is no crack. | ||||
8 | Compression resistance performance | Unload immediately after being vertically pressed till 5% distortion of original outer diameter, the sample is no crack. Max load should be more than 600N. | ||||
9 | Drop hammer impact resistance performance | In the temperature of -19℃ for 2 hours, the height is 2m, using 15.3kgs hammer to impact 10 samples, more than 9 samples are no crack. | ||||
10 | Heat reversion | ≤ 3% | ||||
Product Structure
Standardized Cited Documents
lASTM D638 Standard test methods for tensile properties of plastics
lASTM D648 Test method for deflection temperature of plastics under flexural load
lASTM D790 Test method for flexural properties of un-reinforced and reinforced plastics and electrical insulating materials
lASTM D1693 Test method for environmental stress cracking of ethylene plastics
lASTM D1238 Method of test for HDPE Melt Flow Index
lASTM D1505 Method of test for Density of HDPE
lASTM D2240 Standard Test Method for Rubber Property – Durometer Hardness
lGB 17391 Thermal Stabilization Testing Method for PE Material and Pipe
lGB/T 6671 Longitudinal Reversion Evaluation for Thermal Plasticity PE Material
lJT/T 496-2004 High density polyethylene silicon duct for highway communication conduit
Marking
The following information shall be marked at intervals of one meter:
FCST HDPE 40/33mm xxxxx 2012 01 01 =xxxx m
--- 2012 01 01 Manufacture date
--- xxxxx: Batch number
--- xxxx: Meter marking
Other markings are available according to the customer’s requirements.
Storage
Completed packages of the HDPE micro duct on drums can be stored outdoor max. 12 months upon the date of production.
Storage Temperature | -40°C ～ +70°C |
Installation Temperature | -20°C ～ +50°C |
Operating Temperature | -40°C ～ +70°C |
Packing Information
lStandard length of the coil is 2000m (2KM).
lThe HDPE Silicon Duct shall be coiled to the removable steel pan directly. The outer silicon duct shall be covered with light-tight plastic film.
lBoth ends of the HDPE Silicon Duct shall be sealed with the plastic cap to prevent the entry of moisture during shipping, handling and storage.
Product Advantages
lHeading, laying down and connecting the HDPE Silicon Duct can be performed under ambient temperatures of -20°C to +50°C.
lIf temperature drops below -20°C, the HDPE duct get brittle so that their breaking can occur if they are stressed, above all by impacts. Neither damage nor deterioration of the mechanical properties of the HDPE microduct conduit occurs during storage of the pipe without handing under lower temperatures usual in our climatic conditions (up to -30°C).
lMinimum bending radius for pipe’s dimensions must not be exceeded. This is 20 times value of their outer diameter.
Product Materials
HDPE of a high-molecular type with the following parameters is used for production of HDPE Silicon Duct:
lMelt flow index: 0.1 ～ 0.3 g/10 minutes ISO 1133 (190°C , 2.16KG)
lDensity: Min. 0.940 g/cm3 ISO 1183
lTensile strength at yield: Min. 20MPa ISO 527
lElongation at the break: Min 350% ISO 527
lEnvironmental stress crack resist (F50) Min. 350 hours ISO 4599
Product Specifications
Duct | Outer Diameter | Inner Diameter | Wall Thickness | Ovality | ||
Min(mm) | Max(mm) | Min(mm) | Min(mm) | Max(mm) | ||
40/33mm | 40.0 | 40.4 | 32.9 | 3.3 | 3.7 | ≤ 5% after coiled |
Item | Performance | |||||
1 | Appearance | Smooth inner & outer wall without visible impurity, well-proportioned color, no bubble or crack | ||||
2 | Stiffness of Outer Wall | ≥ 59 (Shore-D) | ||||
3 | Tensile Strength at yield | ≥ 21 MPa | ||||
4 | Elongation at break | ≥ 380 % | ||||
5 | Maximal Pulling Load | ≥ 8000 N | ||||
6 | Friction Coefficient of Inner Wall | ≤ 0.15 | ||||
7 | Flatting test | Unload immediately after being vertically pressed till 50% distortion of original outer diameter, the sample is no crack. | ||||
8 | Compression resistance performance | Unload immediately after being vertically pressed till 5% distortion of original outer diameter, the sample is no crack. Max load should be more than 600N. | ||||
9 | Drop hammer impact resistance performance | In the temperature of -19℃ for 2 hours, the height is 2m, using 15.3kgs hammer to impact 10 samples, more than 9 samples are no crack. | ||||
10 | Heat reversion | ≤ 3% | ||||
Product Structure
Standardized Cited Documents
lASTM D638 Standard test methods for tensile properties of plastics
lASTM D648 Test method for deflection temperature of plastics under flexural load
lASTM D790 Test method for flexural properties of un-reinforced and reinforced plastics and electrical insulating materials
lASTM D1693 Test method for environmental stress cracking of ethylene plastics
lASTM D1238 Method of test for HDPE Melt Flow Index
lASTM D1505 Method of test for Density of HDPE
lASTM D2240 Standard Test Method for Rubber Property – Durometer Hardness
lGB 17391 Thermal Stabilization Testing Method for PE Material and Pipe
lGB/T 6671 Longitudinal Reversion Evaluation for Thermal Plasticity PE Material
lJT/T 496-2004 High density polyethylene silicon duct for highway communication conduit
Marking
The following information shall be marked at intervals of one meter:
FCST HDPE 40/33mm xxxxx 2012 01 01 =xxxx m
--- 2012 01 01 Manufacture date
--- xxxxx: Batch number
--- xxxx: Meter marking
Other markings are available according to the customer’s requirements.
Storage
Completed packages of the HDPE micro duct on drums can be stored outdoor max. 12 months upon the date of production.
Storage Temperature | -40°C ～ +70°C |
Installation Temperature | -20°C ～ +50°C |
Operating Temperature | -40°C ～ +70°C |
Packing Information
lStandard length of the coil is 2000m (2KM).
lThe HDPE Silicon Duct shall be coiled to the removable steel pan directly. The outer silicon duct shall be covered with light-tight plastic film.
lBoth ends of the HDPE Silicon Duct shall be sealed with the plastic cap to prevent the entry of moisture during shipping, handling and storage.
