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

Related products

 
 

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