Anti Tracking Tubes


Anti Tracking Tubes

REPL heat shrinkable anti tracking tubes (RART) provide tracking resistance as well as environmental protection against chemical pollution and UV rays for cable cores of plastic and paper insulated cables terminations rated up to 36kV.
 
These tubes are made from thermally stabilized, cross linked, non tracking and weather resistant polymeric material and have a nominal shrink ratio of 3:1 and an unlimited shelf life when stored at normal warehouse temperatures.





PRODUCT DIMENSIONS - RART Series  
 
SIZE D T
  E s S
  Min Max ±0.2
RART 25/8 * 25 8 2.50
RART 30/10* 30 10 3.00
RART 40/12* 40 12 3.00
RART 45/15* 45 15 3.00
RART 49/16* 49 16 3.00
RART 55/18* 55 18 3.00
RART 65/21 * 65 21 3.00
RART 80/26 + 80 26 3.00
RART 120/37 + 120 37 3.50

MATERIAL SPECIFICATION   Product Colour - Red
Characteristics Value Test Method
Physical Properties    
Specific gravity 1.19±0.2 ASTM D- 1505
Water absorption 1 % (max) ASTM D - 570 /ISO 62
Tensile strength 8 N/sqmm (min) ASTM D-412/ISO 37
Ultimate elongation 200 % (min) ASTM D-412/ISO 37
Hardness 45 ± 3 shore D ASTM D - 2240
Longitudinal change ±10% ESI 09- 13
Shrink temperature 120¡ C (min) IEC-216
Thermal Ageing Tests ( 120 ± 3¡ C for 500 hrs )    
Tensile strength 7 N/sqmm (min) ASTMD-412/IS0 37
Ultimate elongation 100 % (min) ASTMD-412/IS0 37
Thermal Tests    
Heat shock (30min, 200¡C) No cracking / No flow ESI 09- 13
Low temp.Flexibility (-40 C) No cracking ASTM D - 2671
Flammability Self extinguishing ASTM D - 2671 - B
Electrical Properties    
Volume resistivity 1x1012 Ohm-cm (min) ASTM D-257/I EC 93
Dielectric strength 10 kV/mm (min) ASTM D- 149 /I EC 243
Dielectric constant 5 (max) ASTM D- 150 /I EC 250
Resistant to tracking and erosion
No tracking,erosion or flame failure
up to 3.25kV for 20 mins
ASTM D- 2303
Chemical Properties    
Fungus resistance 1 ( max) ASTM G - 21
Chemical resistance immersion in following
liquids NaOH(4%), H2S04 (3%),Toluene,
Acetone for 24 hrs at room temp.
Good (No visual defects) ISO 175

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