The heat shrinkable rain skirt is mainly used to increase the creepage distance at the outdoor cable terminal joint of heat shrinkable cable, so as to avoid the breakdown of heat shrinkable terminal joint caused by creepage due to insufficient distance. The single hole heat shrinkable umbrella skirt is made of polyolefin material resistant to electric carbon mark, and is internally coated with electric carbon mark resistant and weather resistant sealant. For power cable terminal accessories. The heat shrinkable rain group of saipu electrical cable accessories manufacturing expert is divided into single core and three core. The single core is mainly used to shrink a single cable at the high-voltage cable terminal. The three core rain group can not only be used to fix the three core cable, but also increase the creepage distance, so that the cable terminal operation will not be affected in the complex environment such as outdoor humidity.
1. Apply weather resistant sealant with excellent sealing performance;
2. Resistance to electric marks and ultraviolet rays;
3. Comply with ROHS standards;
4. Complete shrinkage temperature: 130 ℃;
5. Standard color: iron red;
6. Shrinkage ratio: 2:1 3:1
Technical indicators:
project Test method Typical data
working temperature IEC 216 - 55℃to +110℃
tensile strength ASTM D 2671 ≥13Mpa
Elongation at break ASTM D 2671 ≥400%
Thermal aging tensile strength ASTM D 2671(120℃/168hrs) ≥10.8Mpa.
Thermal aging elongation at break ≥300%
Carbon trace resistance ASTM D 2303 (3.75kv, 1 hour) adopt
Breakdown strength IEC 243 ≥20KV/mm.
Volume resistivity IEC 93 ≥1014Ω.cm
Flame retardancy (oxygen index) IEC 93 ≥25
Water absorption ISO 62 ≤0.5%
cold bend ASTM D 2671 (- 40 ℃, 4h) No cracking
Copper corrosivity ASTM D 2671 (120 ℃, 168 hours) No corrosion
