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CREEPAGE EXTENSION & STRAIN RELIFF SHEDS

APPLICATIONS:

Heat shrinkable creepage extension sheds are used to increase the surface creepage distance of the protected cores of cable terminations without increasing the tail length. Heat Shrinkable strain relief sheds are used to restrict the cable cores from over bend-ing thus protecting from damage in the termi-nation near the crutch area. The creepage extension sheds and strain re-lief sheds are made from thermally stablized, cross linked, non-tracking weather polymeric material. These are coated internally with wa-ter resistant mastic..

  • All dimensions are in mm
  • Drawing depicts typical dimensions E- As supplied
  • S- After free recovery
  • D,d - internal diameter without adhesive coating

MATERIAL SPECIFICATIONS

CHARACTERISTIC VALUE TEST METHOD
PHYSICAL PROPERTIES
Specifice Gravity 1.19 +02 ASTM D-1505
Water Absorption 1% (Max.) ASTM D-570/ISO 62
Tensile Strength 6N/SOMM (Min.) ASTM D-412/ISO 37
Ultimate Elongation 200% (Min.) ASTM D-412/ISO 37
Hardness 28 +3 Shore D ASTM D-2240
THERMAL AGING TEST AT 120° FOR 500 HOURS
Tensile Strength 5.5 N/SMM (Min.) ASTM D-412/ISO 37
Ultimate Elongation 100% (Min.) ASTM D-412/ISO 37
ELECTRICAL PROPERTIES
Volume resistivity 1 x 10ohm cm (Min.) ASTM D 257/IEC 93
Di-electric Strength 10kv/mm (Min.) ASTM D 149/IEC 243
Di-electric constant 5 (Max.) ASTM D 150/IEC 250

DIMENSIONS - GSRS SERIES

Model No SIZE. A D H D TS TF
+2 E S S+20% S+20%
min min max.
GSRS 3517 145 35 17 26 30 4 2.2
GSRS 4525 169 45 25 28 40 4 2.2
GSRS 6025 169 60 25 28 40 4 2.5

DIMENSIONS - GCE SERIES

Model No . D d H e TS TF
+2 E S S+20% S+20%
min min max min max S+20% S+20%
GCE 1 92 35 13 17 10 2.5 2.5
GCE 2 124 47 21 20 10 2.8 2.8
GCE 3 142 57 31 24 10 2.8 2.8
GCE 4 142 72 41 28 10 2.8 2.8