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China High-End Silicone Heat Shrink Tube Factory: Quality Suppliers for Durable Insulation Solutions
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China High-End Silicone Heat Shrink Tube Factory: Quality Suppliers for Durable Insulation Solutions

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Product Overview

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Silicone Heat Shrink Tubing is a versatile tubing solution crafted from high-quality silicone, designed for insulation, protection, and wrapping applications. This tubing efficiently shrinks in inner diameter when exposed to heat, making it ideal for various uses.

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With exceptional high and low-temperature resistance, weather durability, and outstanding electrical properties, our Silicone Heat Shrink Tubing is extensively utilized across different industries. It serves vital roles in heavy and light industrial electrical sectors, transportation equipment, home appliances, and various scenarios including roller shafts and paint masking.

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As a leading manufacturer in China, our factory ensures that this premium heat shrink silicone tubing not only enhances operational efficiency but also delivers reliable performance, even in the harshest environments. Trust us as your preferred suppliers for all your silicone heat shrink tubing needs.

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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 / Peel 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 1

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 2

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 3

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
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Frequently Asked Questions
What is the operating temperature range of silicone heat shrink tubing?
The conventional type silicone heat shrink tube has a usage temperature range of -50°C to 170°C, making it suitable for both low-temperature and high-temperature industrial environments.
What shrink ratios are available for silicone heat shrink tubes?
Two standard shrink ratios are available: 1.7 times and 2 times. Each ratio comes with detailed specification sheets covering inner diameter, wall thickness, packing length, and MOQ for sizes ranging from 1mm to 220mm.
What industries can silicone heat shrink tubing be used in?
Silicone heat shrink tubing is widely used across heavy and light industry electrical fields, household appliances, transportation equipment, and various roller or handle applications. It provides heat-resistant, insulating, and protective functions in each sector.
What is the fire retardant rating of this silicone heat shrink tube?
The product meets the UL-94 fire retardant standard, ensuring safe use in electrical and electronic applications where flame resistance is required.
What is the minimum order quantity (MOQ) for silicone heat shrink tubing?
MOQ varies by size. Smaller diameter tubes (e.g., 1–2mm) have an MOQ of 2000M, while larger sizes (e.g., 90mm and above) have an MOQ starting from 75M to 100M. Please refer to the specification sheet for details.
Can silicone heat shrink tubing be customized in color or length?
Yes, customization options including color, length, and packaging format are available. Please use the inquiry form above to submit your specific requirements and our team will provide a tailored quotation.