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Halogen free, low smoking, flame-retardant polyolefin tubing
 
 
Model 
K-2(HF)
Catogary 
Kaiheng K & S Co.,Ltd→Heat 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
1014Ω·cm min.
ASTM D 876
≥1014Ω·cm
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
1.2(0.046)
0.6(0.023)
0.40±0.08(0.016±0.003)
200
1/16
1.6(0.063)
0.8(0.031)
0.43±0.08(0.017±0.003)
200
3/32
2.4(0.093)
1.2(0.046)
0.51±0.08(0.020±0.003)
200
1/8
3.2(0.125)
1.6(0.062)
0.51±0.08(0.020±0.003)
200
3/16
4.8(0.187)
2.4(0.093)
0.51±0.08(0.020±0.003)
100
1/4
6.4(0.250)
3.2(0.125)
0.64±0.08(0.025±0.003)
100
3/8
9.5(0.375)
4.8(0.187)
0.64±0.08(0.025±0.003)
100
1/2
12.7(0.500)
6.4(0.250)
0.64±0.08(0.025±0.003)
100
3/4
19.1(0.750)
9.5(0.375)
0.76±0.08(0.030±0.003)
50
1
25.4(1.000)
12.7(0.500)
0.89±0.12(0.035±0.005)
50
1 1/4
31.8(1.250)
15.9(0.625)
1.02±0.15(0.040±0.006)
50
1 1/2
38.1(1.500)
19.1(0.750)
1.02±0.15(0.040±0.006)
50
2
50.8(2.000)
25.4(1.000)
1.14±0.16(0.045±0.007)
50

 
·Metric size
Size(mm)
As supplied(mm)
After recovery (mm)
Standard length  (m/spool)
Inside diameter
Wall thickness
Inside diameter(max.)
Wall thickness(min.)
φ0.8
1.0±0.2
0.15±0.05
0.50
0.25
200
φ1.0
1.5±0.3
0.20±0.05
0.60
0.33
200
φ1.5
2.0±0.3
0.20±0.05
0.75
0.36
200
φ2.0
2.5±0.3
0.20±0.05
1.00
0.44
200
φ2.5
3.0±0.3
0.25±0.05
1.25
0.44
200
φ3.0
3.5±0.3
0.25±0.05
1.50
0.44
200
φ3.5
4.0±0.3
0.25±0.05
1.75
0.44
200
φ4.0
4.5±0.3
0.25±0.05
2.00
0.44
200
φ4.5
5.0±0.3
0.25±0.05
2.25
0.44
200
φ5.0
5.5±0.3
0.25±0.05
2.50
0.56
100
φ6.0
6.5±0.3
0.28±0.05
3.00
0.56
100
φ7.0
7.6±0.3
0.30±0.06
3.50
0.56
100
φ8.0
8.6±0.3
0.30±0.06
4.00
0.56
100
φ9.0
9.6±0.3
0.30±0.06
4.50
0.56
100
φ10.0
10.7±0.4
0.30±0.06
5.00
0.56
100
φ11.0
11.7±0.4
0.30±0.06
5.50
0.56
100
φ12.0
12.7±0.4
0.30±0.06
6.00
0.56
100
φ13.0
13.7±0.4
0.35±0.07
6.50
0.69
100
φ14.0
14.7±0.4
0.35±0.07
7.00
0.69
100
φ15.0
15.7±0.5
0.35±0.07
7.50
0.69
100
φ16.0
16.7±0.5
0.35±0.07
8.00
0.69
100
φ18.0
19.0±0.5
0.40±0.10
9.00
0.77
100
φ20.0
21.0±0.5
0.40±0.10
10.00
0.77
50
φ22.0
23.0±0.5
0.40±0.10
11.00
0.77
50
φ25.0
26.0±1.0
0.45±0.10
12.50
0.87
50
φ28.0
29.0±1.0
0.45±0.10
14.00
0.87
50
φ30.0
31.5±1.0
0.45±0.10
15.00
0.87
50
φ35.0
36.5±1.0
0.50±0.10
17.50
0.97
50
φ40.0
41.5±1.0
0.50±0.10
20.00
0.97
50
φ50.0
51.5±1.0
0.55±0.10
25.00
0.97
50
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