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Halogen free, low smoking, flame-retardant polyolefin tubing
 
 
Model 
K-2(HF)
Catogary 
Kaiheng K & S Co.,LtdHeat Shrinkable Tubing
 
Introduction
KOSOO K-2(HF)
Halogen free, low smoking, flame-retardant polyolefin tubing
 
n          Application
KOSOO K-2(HF) is halogen free, low smoking, flame-retardant irradiated crosslinking polyolefin heat-shrinkable tubing suitable for environmentally friendly application. It contains no added halogens, and exhibits excellent fire safety characteristics combined with low evolution of acid gases, while retaining good mechanical and fluid resistance properties.
 
      Features/Benefits
Shrink ratio: 2:1.
Flexible, flame-retardant.
Low smoking, no added halogens.
Low evolution of acid gases.
Free of PCBs, PCPs, polybrominated biphenyls (PBBs), polybrominated biphenyl oxides and ethers (PBBOs, PBBEs and PBDEs) and toxic heavy metal compounds, which are classified as environmentally hazardous substances. Conform to European RoHS environmental directive.
 
      Operating Temperature Range
Operating temperature range: -55~125
Minimum shrink temperature: 70
Minimum full recovery temperature: 110
 
      Standards/Approvals
UL224 E214175 125 600V VW-1
CSA C22.2 210475 125 600V VW-1
 
n          Specification values
 
Property
Requirement
Test method
Typical data
Physical
Concentricity
70% min.
ASTM D 2671
70%
 
Tensile strength
10.4MPa min.
ASTM D 638
14.0MPa
 
Elongation
200% min.
ASTM D 638
400%
 
Heat shock
250, 4hrs
No cracking, dripping or flowing
ASTM D 2671
Pass
 
Low temperature flexibility
-55, 4hrs
No cracking
ASTM D 2671
Pass
Aging   158,168hrs
 
 
 
Tensile strength after aging
70% of original min.
ASTM D 638
90%
Elongation after aging
100% min.
ASTM D 638
300%
Electrical
Dielectric voltage withstand
2500V, 60sec
 no breakdown
UL224
Pass
  Dielectric strength
19.7KV/mm min.
ASTM D 2671
25KV/mm
  Volume resistivity
1014cm min.
ASTM D 876
1014cm
Chemical
Corrosion
No corrosion
ASTM D 2671
Pass
 
  Flammability
VW-1
UL224
Pass
      Product sizes
  Inch size                                                               mm/inch

Size
Inside diameter
Wall thickness
Standard length
(m/spool)
As supplied(min.)
After recovery(max.)
After recovery
3/64
1.20.046
0.60.023
0.400.080.0160.003
200
1/16
1.60.063
0.80.031
0.430.080.0170.003
200
3/32
2.40.093
1.20.046
0.510.080.0200.003
200
1/8
3.20.125
1.60.062
0.510.080.0200.003
200
3/16
4.80.187
2.40.093
0.510.080.0200.003
100
1/4
6.40.250
3.20.125
0.640.080.0250.003
100
3/8
9.50.375
4.80.187
0.640.080.0250.003
100
1/2
12.70.500
6.40.250
0.640.080.0250.003
100
3/4
19.10.750
9.50.375
0.760.080.0300.003
50
1
25.41.000
12.70.500
0.890.120.0350.005
50
1 1/4
31.81.250
15.90.625
1.020.150.0400.006
50
1 1/2
38.11.500
19.10.750
1.020.150.0400.006
50
2
50.82.000
25.41.000
1.140.160.0450.007
50

 
Metric size
Size(mm)
As supplied(mm)
After recovery (mm)
Standard length  (m/spool)
Inside diameter
Wall thickness
Inside diametermax.
Wall thicknessmin.
0.8
1.00.2
0.150.05
0.50
0.25
200
1.0
1.50.3
0.200.05
0.60
0.33
200
1.5
2.00.3
0.200.05
0.75
0.36
200
2.0
2.50.3
0.200.05
1.00
0.44
200
2.5
3.00.3
0.250.05
1.25
0.44
200
3.0
3.50.3
0.250.05
1.50
0.44
200
3.5
4.00.3
0.250.05
1.75
0.44
200
4.0
4.50.3
0.250.05
2.00
0.44
200
4.5
5.00.3
0.250.05
2.25
0.44
200
5.0
5.50.3
0.250.05
2.50
0.56
100
6.0
6.50.3
0.280.05
3.00
0.56
100
7.0
7.60.3
0.300.06
3.50
0.56
100
8.0
8.60.3
0.300.06
4.00
0.56
100
9.0
9.60.3
0.300.06
4.50
0.56
100
10.0
10.70.4
0.300.06
5.00
0.56
100
11.0
11.70.4
0.300.06
5.50
0.56
100
12.0
12.70.4
0.300.06
6.00
0.56
100
13.0
13.70.4
0.350.07
6.50
0.69
100
14.0
14.70.4
0.350.07
7.00
0.69
100
15.0
15.70.5
0.350.07
7.50
0.69
100
16.0
16.70.5
0.350.07
8.00
0.69
100
18.0
19.00.5
0.400.10
9.00
0.77
100
20.0
21.00.5
0.400.10
10.00
0.77
50
22.0
23.00.5
0.400.10
11.00
0.77
50
25.0
26.01.0
0.450.10
12.50
0.87
50
28.0
29.01.0
0.450.10
14.00
0.87
50
30.0
31.51.0
0.450.10
15.00
0.87
50
35.0
36.51.0
0.500.10
17.50
0.97
50
40.0
41.51.0
0.500.10
20.00
0.97
50
50.0
51.51.0
0.550.10
25.00
0.97
50
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