CABLE JOINTING AND SEALING

Our advantages

Beyond expectations 

we are aimed at bring reliable cable jointing and sealing SOLUTIONS.

We are inspired to do great work because we truly believe in what we do and we put our heart and soul into it.

Right angle insulation boot and straight insulation boot 

HSRB and HSSB, The MV Right Angle Boots provide insulation and sealing for bushings in cable-end boxes integral with switch-gear and transformers. The mastic sealant provides a water-tight environmental seal to the bushing. The MV boots are also supplied as a part of heat shrink cable termination up to 36 kV for operation in air-filled cable-end boxes, designed with reduced clearances for compound filling. The boots are designed to withstand surges induced during the operational life of the termination.

 

Test Items

Test Method

Test Requirements

Tensile strength 

ASTM D 2671 

10MPa min.

Ultimate elongation 

ASTM D 2671 

200% min.

Tensile strength after

ASTM D 2671 

10MPa min.

Aging at 150℃ for 168hrs

Ultimate elongation after

ASTM D 2671

100% min.

Aging at 150℃ for 168hrs

Heat shock at 200℃/30min

ASTM D 2671

No cracking, dropping

Density

ASTM D 792

1.2~1.3g/cm3

Dielectric strength

IEC 60243

10kV/mm(2.5mm) min. 

Volume resistivity

ASTM D 2671

1012Ω.cm min.

Low temperature flexibility

ASTM D 2671 Proc.C

No cracking 

-40℃/4hrs

Permittivity

ASTM D 150

3 (nom.)

Tracking resistance                           

ASTM D 2303

No tracking