What is the function of a heat shrink tube?

As its name suggests, a heat shrink tube shrinks when heated. An object will have its own characteristic shrinkage when its temperature reaches this stage. Heat shrink tubes are flame retardant, insulated, heat resistant and flexible. Such features determine their wide application. They are suitable for various harnesses, welding points, inductor insulation protection, and also can be used in various metal rods to prevent rust and corrosion.

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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(8 Part Numbers Available)

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Part Number Complete

MTUBE-DB-4

Internal diameter (before contraction) Wall Thickness (after shrinking) Internal diameter <after contraction> Packing Specification type Days to Ship

Specification/Dimensions

Internal diameter (before contraction)(mm)
4.3

6.4

8.3

13.3

16.4

20.5

26

32.8
Clear
Wall Thickness (after shrinking)(mm)
1.1

1.3

1.35

1.75

1.85

2.1

2.2

2.6
Clear
Internal diameter (mm)
- 1
- 1.5
- 2
- 3
- 4
- 5
- 6
- 8
Clear
Packing Specification
- 25 m/roll
- 50 m/roll
- 100 m/roll
Clear
type
- MTUBE-DB
Clear

Days to Ship

All

Same day

14 Day(s) or Less
Clear

Specify Alterations

Heat Shrink Tubes Shrinkage4:1 Thick Wall, Adhesive Lined

Volume Discount

Check FAQ of this product (2 items)

Brand :

MiSUMi Economy

Order Qty :
Total Price :

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Days to ship :

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Product Description

This is an economy item, The price is cheaper than the MISUMI standard product.
[Features]
Polyolefin shrink tube + hot glue
Shrinkage ratio 4:1
Operating temperature range -55°C to 125°C
Waterproof properties
Flame retardant outer layer, self-extinguishing in 1 minute.

Economy Thick Wall Heat Shrink Tube

Easy RepairFlame RetardantWaterproof

- High Shrink Ratio: Specified shrinkage provides significant space savings and efficient installation.

- Waterproof Properties: Resists moisture and other contaminants.

- Wide Operating Temperature Range: Functions reliably within specified temperature range.

- Flame Retardant: Ensures safety in various applications.

- Easy Repair: Allows for quick and convenient repair of damaged insulation without removing connectors.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product of heat shrink tube Overview

● The heat shrink tube outer layer is made of polyolefin, and the inner layer is made of hot melt adhesive.
● heat shrink tube Excellent hot melt adhesive, excellent sealing performance and waterproof performance.
● Damaged insulation layer can be easily repaired without removing the connector
● Sealing and insulation protection for electronic connection part

*Note: each roll of heat shrink tube may have 1 to 3 adapters, which conforms to the industry standard and does not affect the quality. Please feel free to use.

Product of heat shrink tube Feature

Dimensional heat shrink tube Drawing

	Before heat shrink tube (mm)		After heat shrink tube (mm)
Part number	Inner Diameter D	Wall Thickness	Maximum Inner Diameter d	Wall Thickness T	Adhesive Thickness t
MTUBE-DB-4	4.30±0.20	0.40±0.10	1.00	1.10±0.15	0.45±0.10
MTUBE-DB-6	6.40±0.20	0.45±0.10	1.50	1.30±0.15	0.50±0.10
MTUBE-DB-8	8.30±0.30	0.50±0.15	2.00	1.35±0.20	0.50±0.15
MTUBE-DB-12	13.30±0.30	0.55±0.15	3.00	1.75±0.20	0.65±0.15
MTUBE-DB-16	16.40±0.40	0.60±0.15	4.00	1.85±0.20	0.70±0.15
MTUBE-DB-20	20.50±0.50	0.65±0.20	5.00	2.10±0.30	0.75±0.20
MTUBE-DB-24	26.00±0.50	0.65±0.20	6.00	2.20±0.30	0.80±0.20
MTUBE-DB-32	32.80±1.00	0.75±0.20	8.00	2.60±0.30	0.85±0.20

Specifications of heat shrink tube Overview

Basic heat shrink tube Specifications

heat shrink tube Material					heat shrink tube Polyolefin + Hot Melt Adhesive
Shrinkage Ratio					4:1
Operating Temperature Range					-55℃ to 125℃
Initial Shrinkage Temperature					80℃
Minimum Complete Shrinkage Temperature					110℃
Waterproof Performance					Provided

Performance heat shrink tube Indicator

heat shrink tube Item

Indicator Requirements

heat shrink tube Test Method

Typical Value

Longitudinal Shrinkage Rate
(200±5 ℃ for 3 minutes)

±10%

ASTM D 2671

±7%

Tensile Strength

≥9.0MPa

ASTM D 638

10 Mpa

Breakage Elongation

≥250%

ASTM D 638

500%

Breakage Elongation After Aging
(Thermal aging for 168 hours at 158℃)

≥100%

ASTM D 638

300%

Thermal Shock
(200±5 ℃ for 4 hours)

The outer layer is crack free, trickling free and dripping free

ASTM D 2671

pass

Low Temperature Flexibility
(4 hours at -55 ℃)

Crack Free

ASTM D 2671

pass

Dielectric Strength and Breakdown

2500V, 60sec, no breakdown

ASTM D 2671

pass

Volume Resistivity

≥10¹²Ω·cm min.

ASTM D 876

10¹⁴Ω·cm

Copper Corrosion
(121±2℃ for 16 hours)

No Corrosion

ASTM D 2671

pass

Copper Stability
(168 hours at 158 ℃)

Elongation≥100%

ASTM D 2671

pass

Flame Retardance

Outer Layer (Self-extinguishing in 1 minute)

ASM-DTL-23053

pass

Usage of heat shrink tube Method

Example of heat shrink tube Use

Specification heat shrink tube Table

Before heat shrink tube (mm)

After heat shrink tube (mm)

Part number

Meter Specifications

Inner Diameter D

Wall Thickness

Maximum Inner Diameter d

Wall Thickness T

Adhesive Thickness t

MTUBE-DB-4

100m/roll

4.30±0.20

0.40±0.10

1.00

1.10±0.15

0.45±0.10

MTUBE-DB-6

6.40±0.20

0.45±0.10

1.50

1.30±0.15

0.50±0.10

MTUBE-DB-8

8.30±0.30

0.50±0.15

2.00

1.35±0.20

0.50±0.15

MTUBE-DB-12

50m/roll

13.30±0.30

0.55±0.15

3.00

1.75±0.20

0.65±0.15

MTUBE-DB-16

16.40±0.40

0.60±0.15

4.00

1.85±0.20

0.70±0.15

MTUBE-DB-20

20.50±0.50

0.65±0.20

5.00

2.10±0.30

0.75±0.20

MTUBE-DB-24

25m/roll

26.00±0.50

0.65±0.20

6.00

2.20±0.30

0.80±0.20

MTUBE-DB-32

32.80±1.00

0.75±0.20

8.00

2.60±0.30

0.85±0.20

: 30; 45; 60

Part Number
MTUBE-DB-4
MTUBE-DB-6
MTUBE-DB-8
MTUBE-DB-12
MTUBE-DB-16
MTUBE-DB-20
MTUBE-DB-24
MTUBE-DB-32

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Internal diameter (before contraction) (mm)	Wall Thickness (after shrinking) (mm)	Internal diameter (mm)	Packing Specification
₹ 2,593.76	1 Piece(s)	Available	Same day	10	4.3	1.1	1	100 m/roll
₹ 3,192.13	1 Piece(s)	Available	Same day	10	6.4	1.3	1.5	100 m/roll
₹ 3,759.03	1 Piece(s)	Available	Same day	10	8.3	1.35	2	100 m/roll
₹ 4,239.42	1 Piece(s)	Available	14 Day(s)	10	13.3	1.75	3	50 m/roll
₹ 5,177.04	1 Piece(s)	Available	14 Day(s)	10	16.4	1.85	4	50 m/roll
₹ 6,610.52	1 Piece(s)	Available	14 Day(s)	10	20.5	2.1	5	50 m/roll
₹ 4,424.19	1 Piece(s)	Available	14 Day(s)	10	26	2.2	6	25 m/roll
₹ 7,216.10	1 Piece(s)	Available	14 Day(s)	10	32.8	2.6	8	25 m/roll

Basic Information

Shrinkage Rate	4:1

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: What is the function of a heat shrink tube?: Answer: As its name suggests, a heat shrink tube shrinks when heated. An object will have its own characteristic shrinkage when its temperature reaches this stage. Heat shrink tubes are flame retardant, insulated, heat resistant and flexible. Such features determine their wide application. They are suitable for various harnesses, welding points, inductor insulation protection, and also can be used in various metal rods to prevent rust and corrosion.
Question: What are the advantages of this product?: Answer: ●The outer layer is made of polyolefin, and the inner layer is made of hot melt adhesive
●Excellent hot melt adhesive, excellent sealing performance and waterproof performance.
●Damaged insulation layer can be easily repaired without removing the connector

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