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High-Quality Silicone Heat Shrink Tubes from China Factory - Reliable Suppliers for Industrial and Home Use
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High-Quality Silicone Heat Shrink Tubes from China Factory - Reliable Suppliers for Industrial and Home Use

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Product Overview

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Our Silicone Heat Shrink Tubing is a premium insulation and protection solution manufactured in China. This versatile tubing, crafted from high-quality silicone, easily shrinks in inner diameter when heated, making it ideal for various applications.

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Renowned for its exceptional resistance to high and low temperatures, weather conditions, and electrical properties, our silicone tubing serves as a reliable choice for industries such as electrical manufacturing, transportation equipment, and home appliances. It is also effective in specialized applications, including roller shafts and paint masking.

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As a leading supplier and factory of heat shrink silicone tubing, we ensure that our products not only enhance operational efficiency but also deliver consistent performance in demanding environments. Optimize your projects with our durable silicone heat shrink tubing today!

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  • Project: Conventional type
  • Usage Temperature Range(℃): More than 100
  • Usage Temperature Range(℃): -50-170
  • Tensile Strength(MPa): ≥6.5
  • Fire Retardant Grade: UL-94

★ Features
  • ◎ Enhanced Softness and Strength

    Crafted from 100% virgin wood pulp with delicate embossing, each tissue achieves an optimal balance of luxurious softness and structural integrity. The embossing process not only creates an elegant texture but also increases the surface area, improving absorbency without compromising gentleness on the skin. The long, pure fibers ensure high wet strength, preventing tearing or linting during use. This makes it ideal for facial care, guest amenities, and sensitive skin applications, offering a noticeably premium experience compared to standard tissues.

  • ◎ Brand Promotion and Aesthetic Appeal

    The tissue box serves as a versatile branding canvas, allowing full customization of logos, colors, patterns, and text. Whether for luxury hotels, corporate gifts, boutique retailers, or event souvenirs, the design can be tailored to reflect brand identity and enhance visual cohesion in any setting. The box itself is made from sturdy, high-quality cardboard with a smooth finish, ensuring durability and a polished appearance. This customization capability turns a practical item into a powerful marketing tool that reinforces brand recognition and leaves a lasting impression.

  • ◎ Commercial Versatility and Bulk Efficiency

    Designed to support a wide range of commercial applications, this product is available in bulk quantities with streamlined customization workflows. From small boutique orders to large-scale corporate procurement, it offers scalable solutions that cater to hotels, spas, offices, and promotional campaigns. The combination of high-quality materials and efficient packaging ensures cost-effectiveness without sacrificing premium appeal. By reducing per-unit costs through wholesale options, it provides businesses with a practical yet sophisticated way to elevate customer experiences and operational standards.

★ Characteristics
Project Conventional type
Shrink Temperature(℃) More than 100
Usage Temperature Range(℃) -50-170
Tensile Strength(MPa) ≥6.5
tear(ing) strength; peel(ing) strength(KN/m) ≥25
Ultimate Elongation(%) ≥400
Pull off permanent deformation(%) ≥20
rebound degree(%) ≥35
proportion(G/mL) 1±0.1
Dielectric strength(KV/mm) ≥20
Fire retardant grade UL-94
hardness(A) 65±10
★ Main Purpose
Silicone Heat Shrink Tube31

Heavy industry and light industry electrical fields

◎ Heat-resistant protection for internal heaters and sensors in various semiconductor devices.
◎ Heat-resistant protection for internal wiring in photocopiers.
◎ Brushes and rotor insulation covers for generators and vehicle motors.
◎ Power plant, substation brush protection against short circuits caused by birds and small animals.
◎ Heat-resistant and insulating protection for various resistors, transformers, induction heating furnace coils, etc. Temperature sensor lead protection and terminal handling.
◎ Insulation coating for large motor armature wires.
◎ Fiber Optic Outer Jacket.

Silicone Heat Shrink Tube-Application 11

Household appliances field

◎ Protection and coating for the terminal parts of heating cables in electronic ovens, electronic fryers, etc.
◎ Cabling protection for air conditioning transformer.
◎ Water Heater Protection Cover.
◎ Rice cooker temperature sensor lead protection.

Silicone Heat Shrink Tube-Application 21

Transportation equipment field

◎ Heat-resistant coating for various vehicle sensors (oxygen, temperature, etc.).
◎ Application of Car Spark Plug.
◎ Heater Housing Application.
◎ Terminal processing of various wiring harnesses.
◎ Terminal processing for wiring of various transportation equipment.
◎ Buffer material for the turbocharger connection part Anti-Vibration Bicycle Brake Cable Fixing Strap.

Silicone Heat Shrink Tube-Application 31

Various types of rollers and other fields

◎ Masking for Paint and Similar Materials.
◎ Manila Rope Sleeve.
◎ Dental Grinder Handle Sleeve.
◎ Fastening of various thermoformed preforms.

★ Product Specification Sheet
Silicone heat shrink tube (conventional) 1.7 times tolerance and packaging mode
Specifications Before contraction After contraction Packing MOQ
Inner diameter Wall thickness Inner diameter Wall thickness
1 1.0-1.5 0.5±0.1 0.54-0.69 0.8±0.15 200M 2000M
1.5 1.5-2.0 0.5±0.1 0.81-1.03 0.8±0.15 200M 2000M
2 2.0-2.5 0.5±0.1 1.08-1.38 0.8±0.15 200M 2000M
2.5 2.5-3.0 0.5±0.1 1.35-1.72 0.8±0.15 200M 2000M
3 3.0-3.5 0.5±0.1 1.62-2.07 0.8±0.15 200M 1200M
3.5 3.5-4.2 0.5±0.1 1.89-2.41 0.8±0.15 200M 1200M
4 4.0-4.8 0.5±0.1 2.16-2.76 0.8±0.15 200M 1200M
4.5 4.5-5.3 0.5±0.1 2.43-3.1 0.8±0.15 200M 1200M
5 5.0-5.8 0.5±0.1 2.7-3.45 0.8±0.15 200M 1200M
5.5 5.5-6.5 0.5±0.1 2.97-3.79 0.8±0.15 200M 1000M
6 6.0-7.0 0.5±0.1 3.24-4.14 0.8±0.15 200M 1000M
6.5 6.5-7.5 0.5±0.1 3.51-4.48 0.9±0.15 200M 1000M
7 7.0-8.0 0.5±0.1 3.78-4.83 0.9±0.15 100M 1000M
7.5 7.5-8.5 0.5±0.1 4.05-5.17 0.9±0.15 100M 1000M
8 8.0-9.2 0.5±0.1 4.32-5.52 0.9±0.15 100M 1000M
8.5 8.5-9.7 0.5±0.15 4.59-5.86 0.9±0.15 100M 1000M
9 9.0-10.3 0.5±0.15 4.86-6.21 0.9±0.15 100M 1000M
10 10-11.5 0.5±0.15 5.41-6.9 0.9±0.15 100M 500M
11 11-12.5 0.5±0.15 5.95-7.59 0.9±0.15 100M 500M
10 10-12 1.0±0.2 5.41-6.9 1.8±0.2 50M 500M
11 11-13 1.0±0.2 5.95-7.59 1.8±0.2 50M 500M
12 12-14 1.0±0.2 6.49-8.28 1.8±0.2 50M 500M
13 13-15.5 1.0±0.2 7.03-8.97 1.8±0.2 50M 500M
14 14-16.5 1.0±0.2 7.57-9.66 1.8±0.2 50M 500M
15 15-17.5 1.0±0.2 8.11-10.34 1.9±0.2 50M 500M
16 16-18.8 1.0±0.2 8.65-11.03 1.9±0.2 50M 500M
17 17-19.8 1.0±0.2 9.19-11.72 1.9±0.2 50M 300M
18 18-20.8 1.0±0.2 9.73-12.41 1.9±0.2 50M 300M
19 19-21.8 1.0±0.2 10.27-13.1 1.9±0.2 50M 300M
20 20-22.8 1.0±0.25 10.81-13.79 2.0±0.2 50M 300M
21 21-24.5 1.0±0.25 11.35-14.48 2.0±0.2 25M 300M
22 22-25.5 1.0±0.25 11.89-15.17 2.0±0.2 25M 300M
25 25-28.5 1.0±0.25 13.51-17.24 2.0±0.2 25M 200M
30 30-34 1.0±0.25 16.22-20.69 2.0±0.2 25M 200M
35 35-40 1.0±0.25 18.92-24.14 2.1±0.3 25M 200M
40 40-45 1.0±0.3 21.62-27.59 2.1±0.3 25M 200M
45 45-50 1.0±0.3 24.32-31.03 2.1±0.3 25M 150M
50 50-56 1.0±0.3 27.03-34.48 2.1±0.3 25M 150M
60 60-66 1.0±0.3 32.43-41.38 2.1±0.3 25M 150M
70 65-80 1.0±0.4 37.84-48.27 2.1±0.3 25M 100M
80 75-90 1.0±0.4 43.24-55.17 2.2±0.35 25M 100M
90 85-100 1.3±0.3 48.65-62.07 2.5±0.3 1M-Bar 100M
100 95-110 1.3±0.35 54.05-68.97 2.5±0.35 1M-Bar 100M
110 105-120 1.3±0.35 59.46-75.86 2.6±0.35 1M-Bar 100M
120 115-130 1.4±0.35 64.86-82.76 2.6±0.4 1M-Bar 75M
130 125-140 1.4±0.4 70.27-89.66 2.6±0.4 1M-Bar 75M
140 130-150 1.5±0.4 75.68-96.55 2.6±0.4 1M-Bar 75M
150 140-160 1.5±0.4 81.08-103.45 2.7±0.4 1M-Bar 75M
160 150-170 1.5±0.4 85-95 2.8±0.4 1M-Bar 75M
170 160-180 1.5±0.4 85-95 3.0±0.4 1M-Bar 75M
180 170-190 1.5±0.4 85-95 3.2±0.4 1M-Bar 75M
190 180-200 1.5±0.5 95-105 3.2±0.5 1M-Bar 75M
200 190-210 1.5±0.5 95-110 3.2±0.5 1M-Bar 75M
210 200-220 1.5±0.5 95-110 3.2±0.5 1M-Bar 75M
220 210-230 1.5±0.5 95-110 3.2±0.5 1M-Bar 75M
Silicone heat shrink tube (conventional) 2 times tolerance and packaging mode
Specifications Before contraction After contraction Packing MOQ
Inner diameter Wall thickness Inner diameter Wall thickness
1 1.0-1.5 0.5±0.1 0.49-0.56 1.0±0.15 200M 2000M
1.5 1.5-2.0 0.5±0.1 0.73-0.83 1.0±0.15 200M 2000M
2 2.0-2.5 0.5±0.1 0.98-1.11 1.0±0.15 200M 2000M
2.5 2.5-3.0 0.5±0.1 1.22-1.39 1.0±0.15 200M 2000M
3 3.0-3.5 0.5±0.1 1.46-1.67 1.0±0.15 200M 1200M
3.5 3.5-4.2 0.5±0.1 1.71-1.94 1.0±0.15 200M 1200M
4 4.0-4.8 0.5±0.1 1.95-2.22 1.0±0.2 200M 1200M
4.5 4.5-5.3 0.5±0.1 2.2-2.5 1.0±0.2 200M 1200M
5 5.0-5.8 0.5±0.1 2.44-2.78 1.0±0.2 200M 1200M
5.5 5.5-6.5 0.5±0.1 2.68-3.06 1.0±0.2 200M 1000M
6 6.0-7.0 0.5±0.15 2.93-3.33 1.0±0.2 200M 1000M
6.5 6.5-7.5 0.5±0.15 3.17-3.61 1.0±0.2 200M 1000M
7 7.0-8.0 0.5±0.15 3.41-3.89 1.0±0.2 100M 1000M
7.5 7.5-8.5 0.5±0.15 3.66-4.17 1.0±0.2 100M 1000M
8 8.0-9.2 0.5±0.15 3.9-4.44 1.0±0.2 100M 1000M
8.5 8.5-9.7 0.5±0.15 4.15-4.72 1.0±0.2 100M 1000M
9 9.0-10.3 0.5±0.15 4.39-5 1.0±0.2 100M 1000M
10 10-11.5 0.5±0.15 4.88-5.56 1.0±0.2 100M 500M
11 11-12.5 0.5±0.15 5.37-6.11 1.0±0.2 100M 500M
10 46307 1.0±0.2 4.88-5.56 2.0±0.3 50M 500M
11 46339 1.0±0.2 5.37-6.11 2.0±0.3 50M 500M
12 46370 1.0±0.2 5.85-6.67 2.0±0.3 50M 500M
13 13-15.5 1.0±0.2 6.34-7.22 2.0±0.3 50M 500M
14 14-16.5 1.0±0.2 6.83-7.78 2.0±0.3 50M 500M
15 15-17.5 1.0±0.2 7.32-8.33 2.0±0.3 50M 500M
16 16-18.8 1.0±0.2 7.8-8.89 2.0±0.3 50M 500M
17 17-19.8 1.0±0.2 8.29-9.44 2.0±0.3 50M 300M
18 18-20.8 1.0±0.2 8.78-10 2.0±0.3 50M 300M
19 19-21.8 1.0±0.2 9.27-10.56 2.0±0.3 50M 300M
20 20-22.8 1.0±0.25 9.76-11.11 2.0±0.3 50M 300M
21 21-24.5 1.0±0.25 10.24-11.67 2.0±0.3 25M 300M
22 22-25.5 1.0±0.25 10.73-12.22 2.0±0.3 25M 300M
25 25-28.5 1.0±0.25 12.2-13.89 2.0±0.3 25M 200M
30 30-34 1.0±0.25 14.63-16.67 2.0±0.3 25M 200M
35 35-40 1.0±0.25 17.07-19.44 2.0±0.3 25M 200M
40 40-45 1.0±0.3 19.51-22.22 2.0±0.3 25M 200M
45 45-50 1.0±0.3 21.95-25 2.0±0.3 25M 150M
50 50-56 1.0±0.3 24.39-27.78 2.3±0.3 25M 150M
60 60-66 1.0±0.3 29.27-33.33 2.3±0.3 25M 150M
70 65-80 1.0±0.4 34.15-38.89 2.3±0.5 25M 100M
80 75-90 1.1±0.4 39.02-44.44 2.3±0.5 25M 100M
90 85-100 1.3±0.3 43.9-50 2.6±0.6 1M-Bar 100M
100 95-110 1.3±0.5 48.78-55.56 2.6±0.6 1M-Bar 100M
110 105-120 1.3±0.5 53.66-61.11 2.7±0.6 1M-Bar 100M
120 115-130 1.3±0.6 58.54-66.67 2.8±0.7 1M-Bar 75M
130 125-140 1.3±0.6 63.41-72.22 2.8±0.7 1M-Bar 75M
140 130-150 1.6±0.6 68.29-77.78 3.0±0.8 1M-Bar 75M
150 140-160 1.6±0.6 73.17-83.33 3.2±0.8 1M-Bar 75M
160 150-170 1.6±0.6 85-94 3.2±0.8 1M-Bar 75M
170 160-180 1.6±0.6 85-94 3.2±0.8 1M-Bar 75M
180 170-190 1.6±0.6 85-94 3.3±0.8 1M-Bar 75M
190 180-200 1.8±1.0 95-103 3.3±1.0 1M-Bar 75M
200 190-210 1.8±1.0 95-108 3.5±1.0 1M-Bar 75M
210 200-220 1.8±1.0 95-108 3.6±1.2 1M-Bar 75M
220 210-230 1.8±1.0 95-108 3.8±1.2 1M-Bar 75M
★ Make an Free Consultant
★ Frequently Asked Questions
What is the maximum operating temperature of the silicone heat shrink tube?
The silicone heat shrink tube has a usage temperature range of -50°C to 170°C, with a shrink temperature exceeding 100°C, making it suitable for high-temperature industrial and electrical applications.
What shrink ratios are available for the silicone heat shrink tube?
Two standard shrink ratios are available: 1.7 times (conventional) and 2 times (conventional). Both types cover a wide range of inner diameters from 1mm up to 220mm with various wall thickness options to suit different application requirements.
What industries and applications is this silicone heat shrink tube suitable for?
This product is widely used across heavy and light industry electrical fields, household appliances (ovens, air conditioners, rice cookers), transportation equipment (automotive sensors, spark plugs, wiring harnesses), and various roller and industrial masking applications.
What is the fire retardant rating of this silicone heat shrink tube?
The silicone heat shrink tube meets UL-94 fire retardant standards, ensuring reliable flame resistance for use in electrical insulation and safety-critical environments.
What is the minimum order quantity (MOQ) and how is the product packaged?
The MOQ varies by specification size, ranging from 75M for large diameters up to 2000M for smaller sizes. Packaging is available in roll lengths of 25M, 50M, 100M, or 200M per roll, and in bar form (1M-Bar) for larger diameter products.
Can custom specifications or sizes be arranged for the silicone heat shrink tube?
Yes, custom specifications, sizes, and special requirements can be accommodated. Please fill in the inquiry form above with your specific product details — including required inner diameter, wall thickness, shrink ratio, and quantity — to receive an accurate quote from our team.