+86-17688612661 
Hot Products
China Flame Retardant Silicone Heat Shrink Tubing - Reliable Suppliers and Factory for Safety Solutions
Key Features
-
Exceptional Flame Retardancy
The product complies with stringent flame retardancy standards such as UL 94 V-0 or VW-1. It self-extinguishes quickly in an open flame, effectively suppressing fire spread and significantly enhancing electrical safety.
-
Wide Operating Temperature Range
Capable of continuous long-term use in extreme temperatures from -60℃ to 200℃, with short-term tolerance up to 260℃. It performs stably without deformation in harsh environments like high-temperature baking or freezing conditions.
-
Superior Electrical Insulation
Possesses high dielectric strength (typically 19.7 KV/mm to 25 KV/mm) and volume resistivity (≥2×10¹² Ω·cm), offering reliable insulation protection for wires, cables, and electronic components, preventing short circuits and leakage.
-
Excellent Physical & Chemical Stability
High tensile strength (≥6.5 MPa), good elongation, and tear resistance. It also exhibits excellent resistance to acids, alkalis, solvents, oils, and ozone aging, protecting against various chemical corrosions and harsh outdoor environments.
-
Environmental Safety
Complies with environmental directives like RoHS and REACH. It is halogen-free, non-toxic, odorless, and produces low smoke upon combustion, ensuring safety for both people and the environment.
Characteristics
| Project | Fire Retardant Type |
| Shrink Temperature (℃) | More than 100 |
| Temperature Range (℃) | -50 ~ 170 |
| Tensile Strength (MPa) | ≥5.0 |
| Tearing Strength; Peeling Strength (KN/m) | ≥25 |
| Ultimate Elongation (%) | ≥400 |
| Pull Off Permanent Deformation (%) | ≥20 |
| Rebound Degree (%) | ≥25 |
| Proportion (G/mL) | 1.2±0.1 |
| Dielectric Strength (KV/mm) | ≥20 |
| Fire Retardant Grade (UL-94) | V1 (3mm thickness) |
| Hardness (A) | 65±10 |
Application
This product is widely used in fields demanding high safety and reliability:
Product Application
◎ Transportation: Insulation and protection for wiring harness terminals in high-speed trains, military vehicles, ships, and aerospace equipment.
◎ Power & New Energy: Insulation and sealing protection for high-voltage electrical connections in special transformers, motors, photovoltaic inverters, and wind turbine generators.
Product Application
◎ High-End Manufacturing: Cable protection for equipment in petrochemical, metallurgical electronics, and instrumentation industries, offering both corrosion and flame resistance.
◎ Electronics & Electrical Appliances: Insulation sleeving and safety protection for internal cables in household appliances (e.g., coffee makers, water heaters), industrial electrical equipment, and lighting fixtures.
Product Specification Sheet
| Silicone Heat-Shrink Tube (Flame Retardant) 1.7 Times | ||||||
| Specifications | Before Contraction | After Contraction | Packing | MOQ | ||
| Inner Diameter | Wall Thickness | Inner Diameter | Wall Thickness | |||
| 1.0 | 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 |
| 2.0 | 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 |
| 3.0 | 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 |
| 4.0 | 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 |
| 5.0 | 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 |
| 6.0 | 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 |
| 7.0 | 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 |
| 8.0 | 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 |
| 9.0 | 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 (Flame Retardant) 2 Times | ||||||
| Specifications | Before Contraction | After Contraction | Packing | MOQ | ||
| Inner Diameter | Wall Thickness | Inner Diameter | Wall Thickness | |||
| 1.0 | 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 |
| 2.0 | 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 |
| 3.0 | 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 |
| 4.0 | 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 |
| 5.0 | 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 |
| 6.0 | 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 |
| 7.0 | 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 |
| 8.0 | 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 |
| 9.0 | 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 | 10-12 | 1.0±0.2 | 4.88-5.56 | 2.0±0.3 | 50M | 500M |
| 11 | 11-13 | 1.0±0.2 | 5.37-6.11 | 2.0±0.3 | 50M | 500M |
| 12 | 12-14 | 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 a Free Consultation
Frequently Asked Questions
What flame retardancy standards does this silicone heat shrink tube comply with?
This silicone heat shrink tube meets stringent flame retardancy standards including UL 94 V-0 and VW-1. It self-extinguishes rapidly upon removal from an open flame, effectively preventing fire spread and significantly enhancing electrical safety in critical applications.
What is the operating temperature range of the flame retardant silicone heat shrink tube?
The tube is rated for continuous long-term use between -60℃ and 200℃, with short-term tolerance up to 260℃. This wide range makes it suitable for extreme environments including high-temperature industrial baking ovens and freezing outdoor conditions.
What shrink ratios are available for this product?
Two shrink ratio options are available: a 1.7× shrink ratio version and a 2× shrink ratio version. Both are offered across a comprehensive range of specifications from 1.0mm up to 220mm inner diameter to suit various application requirements.
Is this silicone heat shrink tube RoHS and REACH compliant?
Yes. The product fully complies with RoHS and REACH environmental directives. It is halogen-free, non-toxic, and odorless. When subjected to combustion, it produces low smoke, ensuring safety for personnel and the surrounding environment.
Which industries and applications is this product best suited for?
This flame retardant silicone heat shrink tube is widely used in transportation (high-speed trains, aerospace, military vehicles, ships), power and new energy (photovoltaic inverters, wind turbines, transformers), high-end manufacturing (petrochemical, metallurgical equipment), and consumer electronics & electrical appliances (coffee makers, water heaters, lighting fixtures).
What is the minimum order quantity (MOQ) and what packaging options are available?
MOQ varies by specification size. Smaller diameter tubes (e.g., 1.0mm–5.5mm) have an MOQ of 2000M per order, while larger diameters start from 75M to 500M. Packing lengths range from 25M to 200M per roll, and larger sizes are supplied in bar form (1M-Bar). Please refer to the specification sheet tables above for detailed per-size information.