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Non-Flame Retardant Adhesive-lined Dual Wall Heat Shrink Tube

  • With hot melt adhesive layer, insulation, sealing, waterproof
  • Heat shrink ratio: 3:1, 4:1
  • Non-flame retardant
  • Halogen-free Environmentally friendly, RoHS compliance
  • High Temperature resistant
  • Widely used for wire harness, cable joints protection and anti-corrosion fields
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  • SBRS-110G(3X)(4X)

  • Volsun


What is dual wall heat shrink tube?


Composed of radiation crosslinked polyolefin material and hot melt adhesive double layer, outer polyolefin. Insulation, flame retardant, excellent physical and chemical electrical properties, the inner layer of hot melt adhesive can buffer mechanical strain and strong sealing. The main function is insulation, sealing, waterproof, anti-corrosion, anti-leakage, etc., widely used in all kinds of wire harness, wire and cable and metal pipe rod sealing insulation, waterproof and anti-corrosion fields.


What are advantages of heat shrink ?


  • Heat shrink ratio: 3:1, 4:1

  • Soft, non-flame retardant, environmental protection, UV resistance

  • Shrinkage temperature: 70℃ ~ 100℃

  • Operating temperature: -45℃ ~ 110℃ (transparent type: -45℃ ~ 105℃)

  • Environmental protection standard: RoHS

  • Standard color: black, white, red, yellow, green, blue, transparent, other colors can be customized



Technical Performance of Polyolefin Outer Layer


Item

Typical value

Test method

Tensile   Strength

≥12MPa

ASTM D 2671

Elongation   at Break

≥300%

ASTM D 2671

Tensile strength after thermal aging

≥7.3MPa

UL224 158℃×168h

Elongation at break after thermal aging

≥200%

UL224 158℃×168h

Breakdown strength

≥15kV/mm

IEC 243

Volume   resistivity

≥1014Ω.cm

IEC 93


Technical Performance of Hot-melting Adhesive


Item

Typical value

Test method

Softening point

95℃

ASTM E 28

Water absorption

<0.2%

ASTM D 570

Peel strength (adhesive to PE)

≥120N/25mm

ASTM D 1000

Peel strength

≥80N/25mm

ASTM D 1000


Dimensions (3:1)


Size

Inner   diameter

D(mm)

Size after fully shrink(mm)

Standard Packaging

ID d

Average   total wall

thickness   w1

(Black/colored)

Adhesive   layer wall

thickness   w2

(Black/colored)

(Meter/Roll, Mter/PCS)

Φ1.6

≥1.6

≤0.60

0.65±0.15

0.30±0.10

200/1.22

Φ2.4

≥2.4

≤1.00

0.70±0.15

0.35±0.10

200/1.22

Φ3.2

≥3.2

≤1.30

0.90±0.30

0.40±0.20

200/1.22

Φ4.8

≥4.8

≤1.70

≥0.75 / 1.05±0.30

0.30±0.10 / 0.40±0.20

100/1.22

Φ6.4

≥6.0

≤2.50

≥0.75 / 1.25±0.30

0.40±0.10 / 0.45±0.20

100/1.22

Φ7.9

≥7.9

≤2.80

≥0.95 / 1.30±0.30

0.40±0.10 / 0.45±0.20

100/1.22

Φ9.5

≥9.0

≤3.20

≥0.95 / 1.45±0.30

0.40±0.10 / 0.50±0.20

50/1.22

Φ12.7

≥12.0

≤4.60

≥1.10 / 1.70±0.30

0.50±0.10 / 0.50±0.20

25/1.22

Φ15.0

≥15.0

≤5.60

≥1.20 / 1.80±0.30

0.50±0.10 / 0.55±0.30

25/1.22

Φ19.1

≥19.0

≤6.80

1.95±0.30

0.50±0.10 / 0.60±0.30

25/1.22

Φ22.0

≥22.0

≤7.50

1.95±0.30

0.60±0.30

25/1.22

Φ25.4

≥24.0

≤9.50

2.05±0.40

0.60±0.10 / 0.60±0.30

25/1.22

Φ30.0

≥30.0

≤12.0

2.20±0.40

0.60±0.10 / 0.65±0.30

25/1.22

Φ39.0

≥39.0

≤15.0

2.50±0.40

0.75±0.30

25/1.22

Φ50.0

≥50.0

≤19.0

2.80±0.40

0.90±0.30

25/1.22

Φ60.0

≥60.0

≤23.0

2.80±0.40

1.00±0.30

25/1.22

Φ70.0

≥70.0

≤24.0

2.80±0.40

1.05±0.40

25/1.22

Φ80.0

≥80.0

≤27.0

2.90±0.50

1.05±0.40

25/1.22

Φ90.0

≥90.0

≤33.0

2.90±0.50

1.05±0.40

25/1.22

Φ100.0

≥100

≤34.0

3.10±0.50

1.00±0.40

25/1.22

Φ120.0

≥120

≤42.0

3.55±0.50

1.20±0.40

25/1.22

Φ125.0

≥125

≤42.0

3.65±0.50

1.20±0.40

25/1.22

Φ130.0

≥130

≤44.0

3.65±0.50

1.20±0.40

25/1.22


Dimensions (4:1)


Size

Inner diameter

D(mm)

Size after fully shrink(mm)

Standard Packaging

ID d

Average   total wall

thickness   w1

(Black/colored)

Adhesive   layer wall

thickness   w2(Black/colored)

(Meter/Roll,   Meter/PCS)

Φ4.0

≥4.0

≤1.30

1.05±0.3

0.40±0.3

200

Φ6.0

≥6.0

≤1.80

1.15±0.3

0.40±0.3

100

Φ8.0

≥8.0

≤2.30

1.55±0.3

0.50±0.3

100

Φ12.0

≥12.0

≤3.30

1.75±0.3

0.50±0.3

50/1.22

Φ16.0

≥16.0

≤4.30

2.00±0.3

0.60±0.3

25/1.22

Φ20.0

≥20.0

≤5.30

2.30±0.4

0.60±0.3

25/1.22

Φ24.0

≥24.0

≤6.40

2.60±0.4

0.60±0.3

25/1.22

Φ32.0

≥32.0

≤8.50

3.00±0.5

0.70±0.3

25/1.22

Φ52.0

≥52.0

≤14.0

3.35±0.5

0.70±0.3

25/1.22

Note: Special sizes & packing are available on request.



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