HEAT-SHRINKABLE CAPS AND HEAT-SHRINKABLE TUBE FOR GENERAL PURPOSE

Cable accessories

HEAT-SHRINKABLE CAPS TSK, TSKL and TSKLv

surface, so the complete sealing at pressure and humidity is achieved. The advantageous chracteristics of the heat-shrinkable caps are:

CONSTRUCTION

Heat-shrinkable caps are made of cross-linked polyethylene. They are coated internally with thermoplastic glue by special proceedings. If required, a valve may be assembled on the top of the caps.

APPLICATION

They are used for hermetic closing of all power and telecommunication cable ends. The caps with assembled valve are used for closing ends of telecommunication cables with gas control.

TECHNICAL CHARACTERISTICS

The size of heat-shrinkable cap is choosen, so the cap can be pushed on the cable end easily. The cap is shrinked by heating at temperature around 125 0C and the glue is melted, filling all roughness on the cable sheath

  • simple and fast mounting
  • high mechanical hardness
  • resistance on alifatic and water aromatic carbon hydrogen, soil salt and alkali
  • very good resistance on aging and atmospheric influence
  • unlimmited shelf life

The heat-shrinkable caps are choosen according to cable outer diameter. Technical data of the caps are shown in the following table.

Range of application   Dimension (mm)
Outer diameter MARK Before shrinking After shrinking
from - to   D D1 b L L1
5 - 9 TSK 10/4 10 4 2,0 33 30
9 - 14 TSK 17/7 17 7 2,5 60 55
14 - 24 TSK 28/12 TSKL 28/12 28 12 3,5 90 80
24 - 43 TSK 48/22 TSKL48/22 48 22 4,0 140 130
43 - 75 TSK80/40 TSKL 80/40 80 40 4,0 160 140
75 - 110 TSK115/65 TSKL 115/65 115 65 4,0 160 140

Legend
TSK ? heat-shrinkable caps without glue
TSKL ? heat-shrinkable caps with thermoplastic glue
TSKLv ? heat-shrinkable caps with thermoplastic glue and assembled valvem

HEAT-SHRINKABLE TUBES TSC and TSCO

APPLICATION

Heat-shrinkable tubes are used in wide range of application:

  • in electrical instalation
  • as protection of metal parts against erosion
  • for sealing of cable glands in buildings against penetration of water and harmful gas
  • for sealing of cable termination
  • for insulating of cable terminal lugs
  • as outer protection of the joint and for reparation of damaged cable sheath near the joint
  • as primary insulation of the joint for low voltage
  • for insulating of the buses in power plant

CONSTRUCTION

Heat-shrinkable tubes are made of cross-linked polyethylene. During the heating at temperature around 125 0C, the tubes are shrinked, accomodating the form of comprised object and achieving complete sealing. The heating is carried out with wide yellow flame from the middle towards the ends of the tube. The tubes, marked with TSCL and TSCOL are coated internally with thermoplastic glue by special proceedings.

PROPERTIES

  • simple and fast mounting
  • high mechanical hardness
  • resistance on alifatic and water aromatic carbon hydrogen, soil salt and alkali
  • very good resistance on aging and atmospheric influence
  • unlimmited shelf life
  • good electrical properties

TECHNICAL DATA

Volume mass (kg/m3) 30 ? 1050
Tensile strength (MPa) > 12,5
Expansion (%) > 250
Hardness (
0shD) 40 ? 50
Dielectric strength (kV/mm) > 15
Relative permittivity < 3,5
Specific electrical resistance (-cm) > 10 12
Condition at high temperature 7 days at 135
0C
Longitudinal shrinking during the heating for tubes on the reel (%) 15 ? 5
Longitudinal shrinking during the heating for 1 m tubes (%) < 10
Loss factor tg- < 0,004

The heat-shrinkable tubes are choosen according to cable outer diameter. Technical data of the tubes are shown in the following table.

Optimal

range of application

 

Dimension

mm

Optimal

range of application

 

Dimension

mm

Outer
diameter

mm

mark Before shrinking After shrinking Lenght

Outer
diameter

mm

mark Before shrinking After shrinking Lenght
from - to   D1 D - mm Od Do   D1 D - mm
2,5 - 6,5 TSC 6/2 6 2 1,5   1 - 2,5 TSCO 3/1 3,4 1 0,5  
5 - 11 TSC 12/4 12 4 1,5   2 - 5 TSCO 6/2 6,4 2 1 On the
11 - 24 TSC 25/10 25 10 3   8 - 18 TSCO 20/7 20 7 1,5

reel

14 - 33 TSC 35/13 35 13 3,5   15 - 30 TSCO 35/13 35 13 1,8 od 25
18 - 40 TSC 42/16 42 16 3,5   18 - 36 TSCO 42/16 42,4 16 2 do 100 m
22 - 51 TSC 53/21 53 21 4 1000 25 - 52 TSCO 53/21 53 21 2  
28 - 60 TSC 63/27 63 27 4   35 - 75 TSCO 80/32 80 32 2,1  
35 - 78 TSC 80/32 80 32 4   45 - 98 TSCO 105/42 105 42 2,6 1000
45 - 95 TSC 100/42 100 42 4   58 - 125 TSCO 135/54 135 54 2,7  
60 -125 TSC 132/56 132 56 4   90 - 180 TSCO 200.80 200 80 3,2  
90 - 200 TSC 205/85 205 85 4