Corrosion Protection Tubes


Corrosion Protection Tubes

REPL heat shrinkable corrosion protection tubes (RIHT) are used for environmental sealing of plastic and paper insulated cable joints rated up to 36kV. The tubes can be supplied with an internally coated adhesive layer or in uncoated form depending on the application.
 
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.
 
The tubes can be supplied internally coated with hot melt adhesive.


 


 
PRODUCT DIMENSIONS - RIHT Series        
CODE
SIZE
D
 
T
 
 
E
s
S
 
 
Min
Max
±0.2
RIHT
12/4
12
4
2.50
RIHT
16/5
16
5
2.60
RIHT
20/6
20
6
2.80
RIHT
30/8
30
8
3.20
RIHT
40/12
40
12
4.00
RIHT
55/16
55
16
4.10
RIHT
65/19
65
19
4.20
RIHT
80/22
80
22
4.20
RIHT
100/30
100
30
4.40
RIHT
120/34
120
34
4.40
RIHT
140/37
140
37
4.50
RIHT
160/50
160
50
4.50
RIHT
180/60
180
60
4.50

MATERIAL SPECIFICATION Product Colour - Black
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 10 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 500hrs)    
Tensile strength 8 N/sqmm (min) ASTM D-412/ISO 37
Ultimate elongation 100 %(min) ASTM D-412/ISO 37
Electrical Properties    
Volume resistivity 1 x 1012 Ohm-cm (min) ASTMD-257/IEC93
Dielectric strength 10 kV/mm (min) ASTMD- 149/IEC243
Dielectric constant 5 (max) ASTMD- 150/IEC250
Chemical Properties    
Fungus resistance 1 ( max ) ASTM G - 21
Chemical resistance immersion in following liquids
NaOH(40%), H2S04(3%), Toluene Acetone for 24 hrs
at room temp.
Good (No visual defects) ISO 175

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