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C106 Semi-conducting/insulating/rubber insulated three-layer composite heat shrinkable tube

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Introduction        
The three-layer composite heat-shrinkable tube is made of semi-conductive heat-shrinkable material, thermoplastic insulating material and rubber elastomer insulating material. The rubber elastic body design, when heated, the shrinkage response is fast, avoiding overheating damage. 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 temperature150         
Voltage level6~36 kV        
The middle layer and the outer layer are red insulating layers, and the outer layer is black semi-conductive layer        
Halogen-free and environmentally friendly, especially thick wall thickness        
Color: black (outer layer)/red (middle layer and 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
Intermediate layer (insulating layer, red)  
Tensile Strength ASTM D 2671 ≥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
Inner layer (insulation layer, red)    
Tensile Strength ASTM D 2671 ≥6 MPa
Breakdown elongation ASTM D 2671 ≥270%
Aging(136/168hrs)
Tensile Strength
Breakdown elongation
ASTM D 2671
≥ 4.2 MPa
≥ 200%
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
Note: Use standard sample test    

 

Dimension        
Size As supplied(mm) After shrink(mm) Standard Length
C106 Inner diameterMin. Inner diameterMax. Wall thicknesscommon m/pc
35/13 35 13 11.0  ≤ 1.22
45/17 45 17 12.0  ≤ 1.22
50/21 50 21 12.0  ≤ 1.22
63/26 63 26 12.5  ≤ 1.22
75/34 75 34 12.5  ≤ 1.22
85/34 85 34 12.5  ≤ 1.22
95/42 95 42 13.5  ≤ 1.22
110/52 110 52 13.5  ≤ 1.22
125/62 125 62 14.0  ≤ 1.22

 

 

 

 

 

 

 

 

 

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C106 Semi-conducting/insulating/rubber insulated three-layer composite heat shrinkable tube
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Address: Tangjia Industrial Park, Shihe Street, Puwan New District, Dalian
Tel:
0411-87166661 87166662    0411-87166663 87166665

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