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Medium/Heavy Wall Heat Shrink Bus Bar Tubing

2024/7/25 viewers
  • BrandDEEM
  • TypeDB-BM/DB-BH
  • order
Introduction
Applications
DB-BM/DB-BH is medium and heavy wall heat shrinkable tubing. Made from specially formulated radiation cross-linked halogen free compounds. It can provide high resistance to tracking and arcing. Used to enhance the insulation properties of bus-bar in switch and substation to adapt to application in insulating medium voltage bus bars up to 11kV,24kV,36kV.

Features

The continuous length of supplied products make it more convenient and economical. Material: made from specially formulated radiation cross-linked halogen free compounds.

Various

Minimum shrink temperature: 110 °C
Standard color: Red.
Packaging: Spools or sticks as standards.
Specials: Printing, special sizes and other special
features available on request. 


Technical Data

Property Test Method Typical Data
Tensile strength ASTM D 2671 ≥11.8MPa
Tensile strength after aging(136°C/168 hrs.) ASTM D 2671 ≥10MPa
Elongation at break ASTM D 2671 ≥700%
Elongation at break after aging(136°C/168 hrs.) ASTM D 2671 ≥500%
Longitudinal shrinkage ASTM D 2671 0 to-10%
Heat shock 200°C/4 hrs ASTM D 2671 No cracking, no dropping
Volume resistance IEC 93 ≥1013Ω.cm
Flammability (oxygen index) IEC 2863 ≥25
Water absorption ISO 62(23°/14days) <0.5%
Dielectric strength IEC 243 ≥20KV/mm
Dimensions
Size As Supplied (mm) After Recovery(mm)
Rectangular
Bus Bars (mm)
Round
Bus Bar (mm)
Standard length
m/spool
mm. (D)
Inside Diameter
Min. (D)
Inside Diameter Max.(d)
Min Thickness shrink
on the Bus bar(t)
DB-BM Medium Wall Bus bar Insulation Tubing, for service to 24kV on unbolted bus bar
Φ15/6 15 6 1.6 15 25 10 18 30
Φ30/12 30 12 1.6 22 35 15 25 30
Φ40/16 40 16 1.6 28 45 20 30 30
Φ50/20 50 20 1.6 38 55 25 40 15
Φ75/30 75 30 1.6 45 65 35 50 15
Φ100/40 100 40 1.6 70 110 50 80 15
Φ120/50 120 50 1.6 90 140 60 95 15
Φ150/60 150 60 1.6 105 180 70 120 1.0-1.5m
Φ205/75 205 75 1.6 130 210 85 140 1.0-1.2m
Φ235/75 235 75 1.6 140 260 95 170 1.0-1.2m
DB-BH Heavy Wall Bus bar Insulation Tubing,for service to 36kV on unbolted bus bar
Φ25/10 25 10 2.5 15 25 10 18 1.0-1.5m
Φ40/16 40 16 2.5 28 45 20 30 1.0-1.5m
Φ75/25 75 25 2.5 45 65 35 50 1.0-1.5m
Φ120/40 120 40 2.5 90 140 60 95 1.0-1.5m
Φ150/60 150 60 2.5 105 180 70 120 1.0-1.5m
Φ180/75 180 75 2.5 130 210 85 140 1.0-1.2m
*Spools as standards. 1 m. or 1,22 m. sticks, special spool lengths or cut pieces available on request.



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