Dual Wall Heat Shrink Tubing--High Flexible
Insutek KDWF (3:1, 4:1) is a flexible, flame-retardant, high-shrink-ratio, irradiated dual wall heat-shrinkable tubing series, which is produced by co-extrusion polyolefin and hot-melt adhesive. It is widely used to seal electronic components, cable splices, wire harness etc. What is more, the inner adhesive can tightly bonded to vast variety of plastics and rubber interface.
Features/Benefits
Shrink ratio: 3:1, 4:1.
Good mechanical, electrical and chemical properties.
Conform to RoHS environmental directive.
Operating Temperature Range
Operating temperature range: -55℃~135℃
Minimum shrink temperature: 80℃
Minimum full recovery temperature: 110℃
Standards/Approvals
UL224, 135℃ 600V VW-1, AMS-DTL-23053/4
Insutek KDWF (3:1, 4:1) is a flexible, flame-retardant, high-shrink-ratio, irradiated dual wall heat-shrinkable tubing series, which is produced by co-extrusion polyolefin and hot-melt adhesive. It is widely used to seal electronic components, cable splices, wire harness etc. What is more, the inner adhesive can tightly bonded to vast variety of plastics and rubber interface.
Item |
Property |
Test Method |
Requirement |
Physical |
Tensile strength |
ASTM D 2671 |
10.4MPa min. |
Elongation |
ASTM D 2671 |
200% min. |
|
Heat shock 250℃, 4hrs |
UL 224 |
No cracking, dripping or flowing |
|
Tensile strength after aging |
UL 224 |
70% of original min. |
|
Elongation after aging |
UL 224 |
100% min. |
|
Cold bend at -40℃ for 4hrs |
ASTM D 2671 |
No cracking |
|
Electrical |
Dielectric voltage withstand |
UL 224 |
2500V, 60sec |
no breakdown |
|||
Volume resistivity |
UL 224 |
1014Ω·cm min. |
|
Chemical |
Flammability |
UL 224 |
VW-1(except to clear) |
Size |
As supplied(mm) |
After recovery(mm) |
Standard length |
|
(inch/mm) |
(m/length, |
|||
Model |
Inside diameter (min.) |
Inside diameter (max.) |
Wall thickness* |
m/spool) |
3:1 Series |
||||
1/8 (3.2/1.0) |
3 |
1 |
0.95 |
1.22/200 |
3/16 (4.8/1.6) |
4.8 |
1.6 |
1.1 |
1.22/100 |
1/4 (6/2) |
6 |
2 |
1.2 |
1.22/100 |
3/8 (9/3) |
9 |
3 |
1.3 |
1.22/50 |
1/2 (12/4) |
12 |
4 |
1.6 |
1.22/50 |
3/4 (18/6) |
19 |
6 |
2 |
1.22/50 or 25 |
1 (24/8) |
24 |
8 |
2.4 |
1.22/50 or 25 |
1 1/4 (30/10) |
30 |
10 |
2.4 |
1.22/25 |
1 1/2 (39/13) |
39 |
13 |
2.4 |
1.22/25 |
2 (51/17) |
51 |
17 |
2.4 |
1.22/25 |
4:1 Series |
||||
4/1 |
4 |
1 |
1.15 |
1.22/100 |
6/1.5 |
6 |
1.5 |
1.35 |
1.22/100 |
8/2 |
8 |
2 |
1.65 |
1.22/100 |
12/3 |
12 |
3 |
2 |
1.22/50 |
16/4 |
16 |
4 |
2.3 |
1.22/50 or 25 |
24/6 |
24 |
6 |
2.5 |
1.22/50 or 25 |
32/8 |
32 |
8 |
2.85 |
1.22/25 |
52/13 |
52 |
13 |
2.9 |
1.22/25 |