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HEAT SHRINKABLE TUBE

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HEAT SHRINKABLE TUBE Specification

Tensile Strength
>10 MPa

Usage & Applications
Electrical insulation, bundling wires, environmental protection, mechanical protection, identification

Dielectiric Strength
15 kV/mm

Operating Temperature
-55C to +125C

Features
High electrical insulation, Flame retardant, Flexible, Shrinkable with heat, Waterproof, Resistant to chemicals

Diameter
1 mm to 50 mm (pre-shrink, size chosen as needed)

Install Type
Slip-on, then heated to shrink and conform tightly

Rated Temperature
-55C to +125C

Insulation
High dielectric Strength

Weight
Varies with size and length

Locking Type
Non-locking, Shrink-fit

Product Type
Heat Shrinkable Tube

Length
1 meter (customizable)

Voltage
600V

Insulation Material
Polyolefin

Application
Wire insulation, cable protection, electrical connections, repairs

Jacket Material
Polyolefin

Storage Temperature
-40C to +50C

Jacket Color
Black, Red, Yellow, Blue, Green (depending on variant)

Dimension (L*W*H)
Depends on size selection; available in various diameters and thicknesses

Material
Cross-linked polyolefin

Color
Black, Colored variants available

Size
Available inner diameters range from 1 mm to 50 mm (before shrinking)

Dielectric Constant
<3 @ 1MHz

RoHS Compliance
Yes

Surface Finish
Smooth

Halogen Free
Available upon request

Elongation at Break
>200%

Flame Retardancy
Yes, self-extinguishing

Full Recovery Temperature
110C

Shrink Ratio
2:1 or 3:1 (varies per product)

Inner Surface
Smooth or adhesive lined (optional)

Minimum Shrink Temperature
70C

Resistance
Excellent resistance to common fluids, solvents, and abrasion

About HEAT SHRINKABLE TUBE

Heat shrinkable Dual wall tubes are designed to provide environmental sealing in automotive splices. Hot melt adhesive prevents entry of moisture between the wires.

Technical Specification

All dimensions are in mm

Properties
Standard
Typical Value

Physical:

Tensile Strength
ASTM-D-638
16 N/mm² (Min.)

Elongation
ASTM-D-638
300% (Min.)

Water Absorption
ASTM-D-570
0.15% (Max.)

Low Temperature Flexibility
ASTM-D-2671li>
-55% (Max.)

Specific Gravity
ASTM-D-792
1.4

Thermal:

Operating Temperature
IEC216
-55°C to +125°C

Heat Shock (2500C for 4 hrs)
-
No dripping, cracking or flowing

Chemical:

Copper Corrosion
ASTM-D-2671-B
Good

Chemical Resistance
ASTM-D-2671
Good

Electrical:

Dielectric Strength
ASTM-D-2671
>20kv / mm

Dielectric Constant
ASTM-D-150
3.0 (Max.)

Volume Resistance
ASTM-D-257
10³14 Ohm cm (Min.)

APPLICATIONS:

The tubing is inserted over the splice area and on heating the tube starts shrinking and the adhesive melts and squeezed around where the wires are crimped or welded connectors.
Light duty wire harnessing for electrical and electronic applications.
Provides electrical insulation and protection for in-line components.
Used as strain relief for electrical wire connection.
Good flexibility and provides mechanical protection.
Flame retardant tubes lowers the risk of electrical fires.

GENERAL PROPERTIES OF PRODUCT:

4:1 Shrink ratio
Resistance to chemical, copper corrosion and fungus.
UV stabilized.
Standard Colors: Black

SELECTION CHART

All dimensions are in mm

Part No/Size
D (min)
d (AL)
d (J) (max)
Recovered Wall Thickness (min)
Length (L) mm (min)

GDWH-1
5.75
1.25
2.65
0.60
0.60
50

GDWH-2
7.50
1.65
3.45
0.70
1.40
50

GDWH-3
11.00
2.40
4.65
0.80
1.80
65

GDWH-4
14.00
3.00
5.90
0.90
2.15
65

GDWH-5
18.30
4.35
7.40
0.90
2.20
75

D, d- Dia as Supplied; A - Adhesive Liner; W,J - Jacket; Tf - Free Recovered Thickness, L - Length as Supplied

WIRE HARNESSING AND DUST PROTECTION COVERS

Heat Shrinkable Breakouts:

Heat Shrinkable Boots:

Terminal Covers:

End Caps:

Heat Shrinkable Tube:

Versatile and Reliable Insulation Solution

Designed for optimal performance, this heat shrinkable tubing is ideal for wire insulation, cable bundling, repairs, and mechanical protection. Its resistance to abrasion, chemicals, and solvents ensures longevity, even in harsh environments. The available smooth and adhesive-lined options further enhance its sealing and protective attributes, making it suitable for both indoor and outdoor applications across industries.

Exceptional Safety and Compliance Features

Safety is prioritized with self-extinguishing, flame retardant materials and robust dielectric properties. The tubing is RoHS compliant and halogen-free upon request, meeting global environmental and safety standards. Rated for 600V applications, it delivers reliable insulation in electrical and electronic assemblies, ensuring secure and hazard-resistant connections.

FAQ's of HEAT SHRINKABLE TUBE:

Q: How do I correctly install heat shrinkable tubing?

A: To install the heat shrinkable tube, simply slip it over the component or wire before making electrical connections. Apply heat (typically using a heat gun) until the tubing shrinks tightly around the item. The process starts at approximately 70C, with full recovery achieved at 110C.

Q: What benefits does using this heat shrinkable tube provide?

A: The tubing offers high electrical insulation, flame retardancy, waterproofing, and resistance to chemicals and abrasion. These features ensure reliable protection for wires and cables, reducing the risk of shorts, corrosion, and damage in demanding environments.

Q: When should I use adhesive-lined versus smooth-surface tubing?

A: Adhesive-lined heat shrinkable tubing is ideal for sealing and waterproofing connections that require extra moisture protection, such as outdoor installations. Smooth-surface tubing is suitable for general electrical insulation, bundling, and identification purposes.

Q: Where can this tubing be used effectively?

A: This heat shrinkable tube is widely applicable in electrical insulation, cable harnesses, repairs, wire bundling, and environmental or mechanical protection tasks in industrial, automotive, and electronic sectors.

Q: What is the process for choosing the right size and color?

A: Select a tube diameter larger than the item to be covered, ensuring it can shrink securely after heating. Choose from inner diameters ranging from 1 mm to 50 mm. For color coding or identification, opt for available colors such as black, red, yellow, blue, or green.

Q: Is this tubing safe for use in high-voltage or high-temperature environments?

A: Yes, the tube is rated for 600V and operates from -55C to +125C, with high dielectric strength (15 kV/mm). Its robust material composition ensures safety and durability under electrical and thermal stresses.

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