- All dimensions are in mm
- Drawing depicts typical dimensions
- E - As supplied
- S - After free recovery
- D - internal diameter
- L - Length as per requirement
- T - Thickness
Heat shrinkable HV insulating tubes are used to build insulation over connector area in High Voltage Plastic and paper insulated straight through cable joints tubes provide and environmental sealing for straigth through cable joints rated upto 36 kv. The insulating tubes are made from ther-mally stablized,cross linked,high temp.resistant polymeric material.
| ITEM CODE | D | T | |
|---|---|---|---|
| E | S | S | |
| min. | max. | +20% | |
| GIBT 20/7 | 20 | 7 | 2.8 |
| GIBT 30/10 | 30 | 10 | 2.8 |
| GIBT 40/12 | 40 | 12 | 2.8 |
| GIBT 45/15 | 45 | 15 | 2.8 |
| GIBT 55/18 | 55 | 18 | 2.8 |
| GIBT 65/21 | 65 | 21 | 3.0 |
| GIBT 80/26 | 80 | 26 | 3.0 |
| GIBT 110/37 | 110 | 37 | 3.5 |
| GIBT 150/50 | 150 | 50 | 3.7 |
| GIHT 180/65 | 180 | 65 | 3.5 |
| CHARACTERISTIC | VALUE | TEST METHOD |
|---|---|---|
| PHYSICAL PROPERTIES | ||
| Specific gravity | 1.19 + 0.2 | ASTM D-1505 |
| Water Absorption | 1 %(Max.) | ASTM D-570/ISO 62 |
| Colour | Black | |
| Tensile Strength | 8N/SQMM(MIN.) | ASTM D-412/ISO 37 |
| Ultimate Elongation | 200%(Min.) | ASTM D-412/ISO 37 |
| THERMAL AGING TEST AT 120 FOR 500 HOURS | ||
| Tensile Strenght | 7 N/Sq MM(Min.) | ASTM D-412/ISO 37 |
| Ultimate ELONGATION | 100%(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 |
| Chemical resisant immersion in following liquids Naoh(40%)H2SO4(3%),Toluene acetone for 24 hrs.at room temp. | Good(No Visual Defects) | SCO 175 |
| THERMAL TESTS | ||
| Heat Shock(30.min.at 200) | No Cracking flow | ESI-09-13 |
| Low Temp Flexbility | No Cracking | ASTM D 2671 |
| Flammability | Self Extinguishing | ASTM D 2671 B |