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C105 Semi-conducting/insulating double-layer composite shrinkable tube

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Introduction      
Radiation cross-linked polyolefin heat-shrinkable tubing is made of semi-conductive and insulating thermoplastic elastomer composite and co-extruded. It is suitable for insulation protection of the middle connection of power cables of 36kV and below

 

Fearures      
Operating temperature-55~105      
Minimum full shrinkage temperature135       
Voltage level6~36 kV      
Inner red insulating layer, outer black semi-conductive layer      
Halogen-free environmental protection, thick-walled tube      
Color: black (outer layer)/red (inner layer)      

 

Technical Data      
Property Test method Values  
Outer layer (semi-conductive layer, black)      
Tensile Strength ASTM D 2671 ≥12 MPa  
Breakdown elongation ASTM D 2671 ≥270%  
Aging(158/168hrs)
Tensile Strength
Breakdown elongation
ASTM D 2671
≥ 10 MPa
≥ 250%
 
Water absorption(23/24hrs) ASTM D 570 ≤ 0.5%  
Low temperature flexibility(-40/4hrs) ASTM D 2671 No cracks  
Heat shock(200/4hrs) ASTM D 2671 No dripping no flow  
Volume resistivity ASTM D 2671 ≤ 1×10Ω.cm  
Inner layer (insulation layer, red)      
Tensile Strength ASTM D2671 ≥12 MPa  
Breakdown elongation ASTM D 2671 ≥350%  
Aging(136/168hrs)
Tensile Strength
Breakdown elongation
ASTM D 2671
≥ 10 MPa
≥ 270%
 
Water absorption(23/24hrs) ASTM D 570 ≤ 0.5%  
Low temperature flexibility(-40/4hrs) ASTM D 2671 No cracks  
Heat shock(200/4hrs) ASTM D 2671 No dripping no flow  
Dielectric strength ASTM D 2671 ≥ 15 kV/mm  
Volume resistivity ASTM D 2671 ≥ 1×1013 Ω.cm  

 

Dimension        
Size As supplied(mm) After shrink(mm) Standard Length
C105 Inner diameterMin. Inner diameterMax. Wall thicknesscommon m/pc
38/13 38 13 5.0  ≤ 1.22
45/17 45 17 5.5  ≤ 1.22
50/20 50 20 5.5  ≤ 1.22
55/23 55 23 5.5  ≤ 1.22
65/25 65 25 6.0  ≤ 1.22
75/30 75 30 6.0  ≤ 1.22
85/35 85 35 6.0  ≤ 1.22
95/40 95 40 6.2  ≤ 1.22
115/50 115 50 6.3  ≤ 1.22

 

 

 

 

 

 

 

 

 

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C105 Semi-conducting/insulating double-layer composite shrinkable tube
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Address: Tangjia Industrial Park, Shihe Street, Puwan New District, Dalian
Tel:
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