Cross linked Polyolen Medium and Heavy Wall Anti-track Heat Shrinkable Tubing specically designed for insulating medium voltage bus bar.
Dimension Chart for Heat Shrink Anti Tracking Tubing
CODE | As Supplied | After Recovered | |
---|---|---|---|
ø D1 (max.) | ø D2 (max.) | T (min.) | |
DSRU - 30/10 | 30 | 10 | 2.6 |
DSRU - 36/12 | 36 | 12 | 3.0 |
DSRU - 42/19 | 42 | 19 | 3.0 |
DSRU - 60/29 | 60 | 29 | 3.0 |
DSRU - 76/38 | 76 | 38 | 3.0 |
DSRU - 100/49 | 100 | 49 | 3.0 |
DSRU - 130/50 | 130 | 50 | 4.0 |
Note: All dimensions are in mm
Property | Requirements | Test Method |
---|---|---|
Physical | ||
Specific gravity | 1.19 | ASTM D 1505/ ISO 1183 |
Tensile Strength | 8N/mm2 (min.) | ASTM D 412 / ISO 37 |
Ultimate elongation | 200% (min.) | ASTM D 412 / ISO 37 |
Water absorption (25℃) | 0.5% (max.) | ASTM D 570 |
Thermal Ageing | ||
Continuous operating temperature | -55℃ to +130℃ | IEC 216 |
Shrink temperature | 120℃ (min.) | IEC 216 |
Heat shock (30 min. 200℃) | No cracking / No flowing | |
Heat ageing (168 hrs. 120℃) | ||
Tensile strength | 7.0 N/mm (min.) | ASTM D 412 / ISO 37 |
Ultimate elongation | 200% (min.) | |
Low temperature flexibility (-20℃) | No cracking | ASTM D 2671 |
Flammability | Self extinguishing | ASTM D 2671 - B |
Electrical Properties | ||
Dielectric strength | 10 kV/mm (min.) | ASTM D 149 / IEC 243 |
Volume resistivity | 1 x 1012Ω cm (min.) | ASTM D 257 / IEC 93 |
Dielectric constant | 3 (min.) To 5 (max.) | ASTM D 150 / IEC 250 |
Tracking erosion resistance | No tracking or erosion up to 3.25 kV | ASTM D 2303 |