HEAT SHRINK MEDIUM VOLTAGE INSULATION TUBING
QBM, QBT
HALOGEN FREE, HEAT SHRINKABLE, 11-36kV
BUS BAR INSULATION PROTECTION TUBING
SHRINK RATIO 2.5:1
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: 110°C
RoHS Compliant
Halogen free
Technical Data
Property
Test Method
Typical Data
Tensile Strength
ASTM D 2671
ASTM D 2671
> 11.8 MPa
> 10MPa
Tensile StrengthAfter Aging (120°C, 168 hrs.)
Longitudinal Shrinkage
ASTM D 2671
0 to -10%
Elongation at Break (120°C, 168 hrs.)
Elongation at Break After Aging
Dielectric Strength
ASTM D 2671
> 700%
ASTM D 2671
> 500%
IEC 243
>20kV/mm
Dielectric Constant
QBT - IEC 250
IEC 93
Max. 3.0
Volume Resistance
> 1013 Ω.cm (min.)
> 25
Flammability (Oxygen Index)
Copper Corrosion (QBT) (120°C, 168 hrs.)
Cold Bend (QBT) (-40°C, 4 hrs.)
Water Absorption (23°C, 14 days)
QBM - ASTM D 2863, QBT - ASTM D 4589
ASTM D 2671
No corrosion
No cracking
< 0.5%
ASTM S 2671
ISO 62
Product Dimensions
QBM-Medium Wall Bus Bar Tubing
11kV-24kV
Standard
Spool
As Supplied (mm)
Size
After Recovered (mm)
Tubing
Shape
*(SS)
Inside Diameter
Inside Diameter
(max.)
Wall Thickness
(min)
(mm)
(min.)
(Meter)
Continuous Length Tubing
25/10
30/12
35/14
40/16
50/20
65/25
75/30
100/40
25
30
35
40
50
65
75
100
10
12
14
16
20
25
30
40
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
Flat
Flat
Flat
Flat
Flat
Flat
Flat
Flat
30
30
30
30
15
15
15
15
Standard Packaging
*(QB) (mm)
Cut Length Tubing
150/60
180/70
205/75
235/75
150
180
205
235
60
70
75
75
3.0
3.0
3.3
3.3
Flat
Flat
Flat
Flat
1000
1000
1000
1000
Product Dimensions
QBT-Medium Wall Bus Bar Tubing
11kV, 24kV, 36kV
As Supplied
After Recovered (mm)
Rectangular
Standard
Spool
(mm)
Round
Bus Bar
(mm)
Size
Bus Bar
(mm)
Inside
(mm)
Inside
Diameter
(max.)
*(SS)
Wall Thickness
(min)
Diameter
(min.)
(Meter)
18/6
18
30
6
2.0
2.3
2.5
2.5
2.5
2.6
2.6
3.0
6.4
19
30
6.8
15.0
25.4
32.0
40.0
52.0
60.0
80.0
90.0
15
15
15
15
15
15
15
15
30/12
40/16
50/20
65/25
75/30
100/40
120/50
12
16
20
25
30
40
50
15.0
27.0
32.0
45.0
48.0
73.0
69.8
12.7
17.0
21.0
26.0
31.0
45.0
50.0
40
45
50
51
65
75
75
85
100
120
120
111
Notes:
1.
2.
* See Part Number Guide for standard packaging codes.
Special sizes, packaging, colors and cut pieces are available upon request.
QBM,QMT-0400
www.Qualtekusa.com
5秒后页面跳转
深入解析CS8416引脚说明、参数、技术特点
TPA3116D2功放芯片参数详解、引脚说明
移位寄存器74HC165引脚说明、驱动程序示例解读
深入解析AD9833：DDS频率合成器的卓越性能与广泛应用
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
