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Dual wall, adhesive-lined flexible polyolefin tubing
 
 
Model 
DW
Catogary 
Kaiheng K & S Co.,Ltd¡úHeat Shrinkable Tubing
 
Introduction
KOSOO DW£¨2:1£©
Dual wall, adhesive-lined flexible polyolefin tubing
 
n          Application
KOSOO DW (2:1) is a flexible, flame-retardant, dual wall, irradiated heat-shrinkable tubing manufactured by co-extrusion of polyolefin and hot-melt adhesive. Inner is hot-melt adhesive with good stickness and outer is flexible, irradiated cross-linked polyolefin. The adhesive can sitck the material of both sides of connecting entirely and seal the point connecting. It is widely used to seal and protect interconnections, joints and components from fluids, moisture and corrosion and repair damaged wire insulation, etc.
 
¡ö      Features/Benefits
¡¤Shrink ratio: 2:1.
¡¤Flexible of both outer tubing and inner adhesive.
¡¤Adhesive bonds to outer tubing and surface below to form a positive environmental seal.
¡¤Good mechnical, electrical and chemical properties.
¡¤Adhesive bonds to a wide variety of plastics, rubbers and metals.
¡¤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.
 
¡ö      Operating Temperature Range
¡¤Operating temperature range: -55¡æ~110¡æ
¡¤Minimum shrink temperature: 80¡æ
¡¤Minimum full recovery temperature: 110¡æ
 
n          Specifications/Standards
UL224 125¡æ 600V
AMS-DTL-23053/4 class2
 
n          Specification values
 
Property
Requirement
Test method
Typical value
Physical£º
Tensile strength
10.3MPa min.
ASTM D 638
¡Ý12MPa
 Elongation
200% min.
ASTM D 638
¡Ý400%
Heat shock
250¡æ, 4hrs
No cracking, dripping or flowing of outer wall
ASTM D 2671
Pass
Low temperature flexibility
-55¡æ,4hrs
No cracking
ASTM D 2671
Pass
Aging  158¡æ,168hrs
 
 
 
Tensile strength after aging
70% of original min.
ASTM D 638
¡Ý90%
Elongation after aging
100% min.
ASTM D 638
¡Ý300%
Electrical£º
Dielectric voltage withstand
2500V, 60sec
 no breakdown
ASTM D 2671
Pass
Volume resistivity
1014¦¸¡¤cm min.
ASTM D 876
¡Ý1014¦¸¡¤cm
Chemical£º
Copper corrosion   158¡æ,168hrs
No corrosion
ASTM D 2671
Pass
 
Flammability
ALL  TUBING  FLAME  TEST
UL224
Pass
n          Product sizes                                                           

Size
(inch)
As supplied£¨mm£©
After recovery£¨mm£©
Standard length
£¨m/length,
  m/spool£©
Inside diameter
(min.)
Wall thickness*
(nominal)
Inside diameter
(max.)
Wall thickness*
 (nominal)
Adhesive wall thickness
 (nominal)
1/8
3.2
0.4
1.6
0.70
0.2
1.2/200
3/16
4.8
0.4
2.4
0.70
0.2
1.2/100
1/4
6.4
0.4
3.2
0.75
0.2
1.2/100
3/8
9.5
0.4
4.8
0.75
0.2
1.2
1/2
12.7
0.4
6.4
0.75
0.2
1.2
3/4
19.1
0.5
9.5
0.90
0.2
1.2
1
25.4
0.5
12.7
1.10
0.2
1.2
1 1/2
38.1
0.6
19.1
1.20
0.25
1.2

*Wall thickness includes adhesive wall thickness.
 
n          Ordering information
¡¤Standard color£ºBlack(-BK)
¡¤Nonstandard color£ºWhite(-WH), red(-RD), yellow(YL), blue(-BL), green(-GR),clear(-CL, not flame-retardant)
¡¤Nonstandard size
Special sizes are available upon request.
¡¤Standard packaging
1.2m/length or on spools. Cut pieces are available upon request.
¡¤Ordering description£ºSpecify product type, size and color.
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