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CB-DWT Heat Shrink Dual Wall Tubing

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Product serial number
CB-DWT
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Product manual
Performance
Specifications

Material: Outer: crosslinked modified polyolefin resin
       Inner layer: hot melt adhesive
Shrink ratio: 2: 1 3: 1 4: 1
Features:
  soft, flame retardant, and environmental protection;
  excellent waterproof, moisture-proof performance;
  • Minimum shrink temperature: 80 ℃, Minimum fully recovery temperature: 125 ℃;
  meet UL 224 standards and through VW-1 flammability rating, certification number: E180908

Applications: apply to electronic equipment wiring waterproof, sealed at the wire branch fixed, metal pipe corrosion protection and to prevent the polymer chain relaxation and loosening generated.

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We could not find any corresponding parameters, please add them to the properties table
Item Test method Indicator
Radial Shrinkage UL224 ≥50%
Longitudinal length change rate UL224 0~10%
Tensile strength ASTM D2671 ≥10.4MPa
Elongation at break

ASTM D2671

≥200%
Hot air aging test 158℃±1.0℃/168h -
After aging Tensile strength/td> ASTM D2671 ≥7.3MPa
Elongation at break after aging ASTM D2671 ≥100%
Volume resistivity ASTM D876 ≥1.0x1014Ω· cm
Pressure ASTM D2671 2500V,60s,No breakdown
Water absorption ASTM D570 ≤1.0%

Specifications
Before shrinkage
After shrinking
Minimum inner diameter
Wall thickness
Maximum internal diameter
Total wall thickness
Layer thickness
mm
IN
mm
IN
mm
IN
mm
IN
mm
IN
(Contraction ratio:2:1)
3/64
1.2
0.047
0.30
0.012
0.60
0.024
0.45±0.12
0.018±0.005
0.20
0.008
1/16
1.6
0.062
0.30
0.012
0.80
0.031
0.45±0.12
0.018±0.005
0.20
0.008
3/32
2.4
0.093
0.35
0.014
1.20
0.046
0.55±0.12
0.022±0.005
0.30
0.012
1/8
3.2
0.125
0.40
0.016
1.60
0.062
0.60±0.15
0.027±.006
0.30
0.012
3/16
4.8
0.187
0.40
0.016
2.40
0.093
0.75±0.15
0.029±0.006
0.35
0.014
1/4
6.4
0.250
0.40
0.016
3.20
0.125
0.75±0.15
0.029±0.006
0.35
0.014
3/8
9.5
0.375
0.40
0.016
4.80
0.187
0.80±0.20
0.032±0.008
0.35
0.014
1/2
12.7
0.500
0.40
0.016
6.40
0.250
0.80±0.20
0.032±0.008
0.35
0.014
3/4
19.1
0.750
0.50
0.020
9.50
0.375
0.95±0.28
0.037±0.011
0.40
0.017
1
25.4
1.000
0.50
0.020
12.70
0.500
1.15±0.28
0.045±0.011
0.45
0.017
1-1/2
38.1
1.500
0.65
0.025
19.00
0.750
1.25±0.41
0.049±0.016
0.45
0.017
2
50.8
2.000
0.73
0.029
25.40
1.000
1.40±0.41
0.055±0.016
0.50
0.019
(Contraction ratio:3:1)
1/8
3.2
0.126
0.40
0.016
1.00
0.039
0.85±0.25
0.033±0.010
0.35
0.014
3/16
4.7
0.185
0.40
0.016
1.50
0.059
1.05±0.25
0.041±0.010
0.45
0.018
1/4
6.4
0.250
0.45
0.018
2.00
0.079
1.10±0.25
0.043±0.010
0.45
0.018
3/8
9.5
0.375
0.60
0.024
3.00
0.118
1.45±0.25
0.057±0.010
0.45
0.018
1/2
12.7
0.500
0.60
0.024
4.00
0.157
1.50±0.35
0.059±0.014
0.45
0.018
3/4
19.1
0.750
0.75
0.030
6.00
0.236
2.00±0.45
0.079±0.018
0.65
0.026
1
25.4
1.000
0.75
0.030
8.40
0.331
2.00±0.55
0.079±0.020
0.65
0.026
1-1/4
30.0
1.181
0.80
0.031
10.0
0.394
2.20±0.55
0.087±0.020
0.75
0.030
1-1/2
40.0
1.575
0.85
0.033
13.7
0.539
2.50±0.55
0.098±0.020
1.00
0.039
(Contraction ratio:4:1)
1/4
4
0.157
0.40
0.016
1
0.039
1.00±0.28
0.039±0.010
0.50
0.020
8/2
8
0.315
0.40
0.016
2
0.079
1.10±0.28
0.039±0.010
0.50
0.020
12/3
12
0.472
0.50
0.020
3
0.118
1.40±0.28
0.055±0.010
0.61
0.024
16/4
16
0.630
0.60
0.024
4
0.157
1.78±0.38
0.070±0.010
0.76
0.030
24/6
24
0.945
0.75
0.030
6
0.236
2.25±0.55
0.088±0.020
0.76
0.030
32/8
32
1.260
0.80
0.031
8
0.315
2.54±0.55
0.100±0.020
1.02
0.040
Note: Other sizes can be customized.
 
 
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