Product Description

Dual Wall Heat Shrink Tubing

Dual Wall Heat Shrink Tubing, DHST, adhesive-lined heat shrink tube, Dual wall tubing, 3:1 Thin Wall Adhesive Lined Heat Shrinkable Tubing

Model: DHST

Application:

Dual Wall Heat Shrinkable Tube is manufactured by co-extrusion of polyolefin and hot-melt adhesive. Designed to provide both insulation and sealing for protected articles. Used to protectable bundles wires and metal tubes against water and moisture.

>Shrinking Ratio: 2:1, 3:1, 4:1
>Approval: UL 125℃  VW-1 600V
>Meet: SAE-AMS-DTL-23053/4
>Operating temperature:-45℃to +125℃
>Minimum shrink temperature:80℃
>Minimum fully recovery temperature:120℃
>Standard color: Black
>Special color: Red, Blue, White, Yellow
>Clear (non-flame retardant jacket)

Technical Data:

Property Test Method Typical Data
Tensile strength ASTM D 2671 >10.4MPa (min.)
Tensile strength after aging(158℃/168hrs.) ASTM D 2671 Remains 70%
Elongation at break ASTM D 2671 >300% (min.)
Elongation at break after aging(158℃/168hrs.) ASTM D 2671 100% (min.)
Longitudinal shrinkage UL 224 0 to -10%
Heat shock 250℃, 4hrs. No cracking, no dropping
Cold bend (-30℃/1hr.) ASTM D 2671 No cracking
Voltage withstand(AC 2500V/ 60 seconds) ASTM D 2671 No breakdown
Volume resistance ASTM D 876 >1014Ω.cm (min.)
Flammability SAE-AMS-DTL-23053/4 Self-extinguish in 30sec.
Copper corrosion(158℃/168hrs.) UL 224 Pass
Water absorption ASTM D 570 <0.5%

 

DHST-2X

       Specs. As SuppliedI.D. (mm)

(Min)

       After Recovery (mm) Standard length(m/spool)
Size (mm) Inch W.T.(Nom)

 

W.T of Adhesive I.D.(Max)

Φ1.6

1/16

≥1.6

0.60±0.15

0.30±0.1

≤0.8

200

Φ2.4

3/32

≥2.4

0.70±0.15

0.35±0.1

≤1.2

200

Φ3.2

1/8

≥3.2

0.70±0.15

0.35±0.1

≤1.6

200

Φ4.8

3/16

≥4.8

0.80±0.15

0.40±0.1

≤2.4

100

Φ6.4

1/4

≥6.4

0.80±0.15

0.40±0.1

≤3.2

100

Φ7.9

5/16

≥7.9

0.90±0.15

0.45±0.1

≤3.9

100

Φ9.5

3/8

≥9.5

0.90±0.15

0.45±0.1

≤4.8

50

Φ12.7

1/2

≥12.7

0.95±0.20

0.45±0.1

≤6.4

1.22

Φ15.9

5/8

≥15.9

0.95±0.20

0.45±0.1

≤7.9

1.22

Φ19.1

3/4

≥19.1

1.00±0.20

0.45±0.1

≤9.5

1.22

Φ25.4

1

≥25.4

1.10±0.20

0.50±0.1

≤12.7

1.22

Φ31.8

1-1/4

≥31.8

1.15±0.20

0.50±0.1

≤15.0

1.22

Φ44.5

1-3/4

≥44.5

1.35±0.20

0.55±0.1

≤22.0

1.22

Φ50.8

2

≥50.8

1.50±0.25

0.60±0.1

≤25.4

1.22

 

DHST-3X

       Specs. As SuppliedI.D. (mm)

(Min)

       After Recovery (mm) Standard length(m/spool)
Size (mm) Inch W.T.(Nom) W.T of Adhesive I.D.(Max)

φ3.2

1/8

3.2

0.95±0.15

0.40±0.10

1.00

200

φ4.8

3/16

4.8

1.10±0.15

0.40±0.10

1.60

100

φ6.4

1/4

6.4

1.20±0.15

0.45±0.10

2.20

100

φ7.9

5/16

7.9

1.35±0.15

0.50±0.10

2.70

100

φ9.5

3/8

9.5

1.45±0.20

0.50±0.15

3.20

50

φ12.7

1/2

12.7

1.70±0.20

0.55±0.15

4.20

1.22

φ15.0

5/8

15.0

1.80±0.20

0.50±0.15

5.20

1.22

φ19.1

3/4

19.1

2.00±0.20

0.50±0.15

6.30

1.22

φ25.4

1

25.4

2.10±0.25

0.50±0.15

8.50

1.22

φ30.0

1-1/4

30.0

2.20±0.25

0.60±0.15

10.20

1.22

φ39.0

1-1/2

39.0

2.40±0.25

0.60±0.15

13.50

1.22

φ50.0

2

50.0

2.70±0.25

0.80±0.15

17.00

1.22

 

DHST-4X

Normal size As supplied (mm)Inside diameter

(Min.)

After recovered (mm) Standard length

(m/spool)

(mm) (inch) Inside diameter(Max.) Total wall thickness Adhesive thickness(Nom.)

4/1

2/13

4.0

1.0

1.0±0.15

0.4±0.15

200

6/1.5

1/ 4

6.0

1.5

1.1±0.15

0.4±0.15

100

8/2

5/16

8.0

2.0

1.2±0.15

0.5±0.15

1.22

12/3

1/2

12.0

3.0

1.4±0.15

0.5±0.15

1.22

16/4

5/ 8

16.0

4.0

1.7±0.15

0.6±0.15

1.22

20/5

15/19

20.0

5.0

2.0±0.25

0.6±0.15

1.22

24/6

1

24.0

6.0

2.1±0.25

0.6±0.15

1.22

32/8

1-1/4

32.0

8.0

2.4±0.25

0.7±0.15

1.22

52/13

2

52.0

13.0

2.4±0.25

0.7±0.15

1.22

*Special size, cutting pieces are available on request.