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CORROSION PROTECTION TUBINGS

APPLICATIONS:-

Heat shrinkable corrosion protection tubes provide and environmental sealing for straigth through cable joints for plastic and paper cables upto 36 kv. The tubes are made from thermally stablized, cross linked, weather resistant polymeric material. The tubes are internally coated with hot melt Adhesive.

  • All dimensions are in mm
  • Drawing depicts typical dimensions
  • E - As supplied
  • S - After free recovery
  • D, Internal diameter without adhesive coating
  • L - Length as per requirement
  • T- Thickness

TUBING DIMENSIONS - GIHT SERIES

ITEM CODE D T
E S S
min. max. +20%
GIHT 12/4 12 4 2.6
GIHT 20/7 20 7 2.7
GIHT 25/8 28 8 3.0
GIHT 30/8 30 8 3.0
GIHT 40/12 40 8 3.2
GIHT 55/18 55 18 3.2
GIHT 65/21 65 21 3.5
GIHT 80/22 80 22 4.0
GIHT 80/26 80 26 4.0
GIHT 110/37 110 37 4.0
GIHT 130/37 130 37 4.0
GIHT 150/50 150 50 4.0
GIHT 180/65 180 65 4.0

MATERIAL SPECIFICATIONS

CHARACTERISTIC
VALUE
 TEST METHOD
PHYSICAL PROPERTIES
Specific gravity 1.25 + 0.2 ASTM D-1505
Water Absorption 0.2%(Max.) ASTM D-570/ISO 62
Colour Black
Tensile Strength 10N/SQMM(MIN.) ASTM D-412/ISO 37
Ultimate Elongation 350%(Min.) ASTM D-412/ISO 37
Hardness 45+3 Shore D ASTM D-2240
THERMAL AGING TEST AT 120 FOR 500 HOURS
Tensile Strenght 8 N/Sq MM(Min.) ASTM D-412/ISO 37
Ultimate ELONGATION 300%(Min.) ASTM D-412/ISO 37
ELECTRICAL PROPERTIES
Volume resistivity 1 * 10 ohm cm (Min.) ASTM D 257/IEC 93
DI ELECTRICAL STRENGTH 8KV/MM(Min.) ASTM D 149/IEC 243
DI ELECTRICAL STRENGTH 3.5(Max.) ASTM D 150/IEC 250
CHEMIAL PROPERTIES
Fungus Resistance <1 ASTM G-21
Salt Spray test No Piting No Corrosion ASTM B-117
Chemical resisant immersion in following liquids Naoh(40%)H2SO4(3%),Toluene acetone for 24 hrs.at room temp. Good(No Visual Defects) SCO 175