HEAT SHRINK MEDIUM/HEAVY WALL BUS BAR TUBING
QBTM, QBTH
HALOGEN FREE, HEAT SHRINKABLE, 24-36kV
BUS BAR INSULATION PROTECTION TUBING
Features/Applications
Made from specially formulated radiation cross-linked halogen-free
compounds. The carefully produced product can provide high resistance
to tracking and arcing. Used to enhance the insulation properties of bus
bar in switchgear and substations. The continuous length of supplied
products makes it more convenient and economical.
Operating temperature: -55°C
to +105°C
Minimum shrink temperature: 120°C
RoHS Compliant
Halogen free
UV and weather resistant
Technical Data
Property
Tensile Strength
Ultimate Elongation
Longitudinal Shrinkage
Heat Aging Tensile Strength (120°C, 168 hrs.)
Ultimate Elongation
Dielectric Strength
Dielectric Constant
Volume Resistance
Flammability (Oxygen Index)
Copper Corrosion
Cold Bend
Water Absorption
Test Method
ASTM D 2671
ASTM D 2671
ASTM D 2671
ASTM D 2671
IEC 243
IEC 250
IEC 93
ISO 4589
UL 224
ASTM D 2671
(-40°C,
4 hrs.)
ISO 62 (23°C, 14 days)
Typical Data
> 14 MPa
> 800%
0 to -10%
> 10MPa
> 200%
> 19kV/mm
< 3.5
> 10
14
Ω
.cm
> 25
No corrosion
No cracking
< 0.5%
Product Dimensions
Size
(mm)
As Supplied (mm)
Inside Diameter
(min.)
QBTM-Medium Wall Bus Bar Tubing
After Recovered (mm)
Inside Diameter
(max.)
6
12
16
20
25
30
40
50
60
60
75
75
Wall Thickness
(min)
2.0
2.3
2.5
2.5
2.5
2.6
2.8
2.8
3.3
3.3
3.8
3.8
Tubing
Shape
24kV
Standard
Spool
*(SS)
(Meter)
30
30
30
15
15
15
15
15
Standard Packaging
*(QB) (mm)
1000
1000
1000
1000
Continuous Length Tubing
15/6
15
30/12
30
40/16
40
50/20
50
65/25
65
75/30
75
100/40
100
120/50
120
Cut Length Tubing
150/60
180/60
205/75
235/75
150
180
205
235
Flat
Flat
Flat
Flat
Flat
Flat
Flat
Flat
Round
Round
Round
Round
Product Dimensions
Size
(mm)
As Supplied (mm)
Inside Diameter
(min.)
QBTH-Heavy Wall Bus Bar Tubing
After Recovered (mm)
Inside Diameter
(max.)
Wall Thickness
(min)
4.0
4.0
4.0
4.0
4.0
4.2
4.2
Tubing
Shape
36kV
Standard
Spool
*(SS)
(Meter)
15
15
Standard Packaging
*(QB) (mm)
1000
1000
1000
1000
1000
Continuous Length Tubing
25/10
25
10
40/16
40
16
Notes:
Cut
* See Part Number Guide for standard packaging codes.
1.
Length Tubing
65/25
65
25
75/25
75
25
95/30
95
30
120/40
120
40
180/58
180
58
Notes:
1.
* See Part Number Guide for standard packaging codes.
2.
Special sizes, packaging, and cut pieces are available upon request.
Flat
Flat
Round
Round
Round
Round
Round
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QUALTEK [ QUALTEK ELECTRONICS CORPORATION ]
