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High-Quality Industrial-Grade Silicone Tube from Trusted Factory in China | Leading Suppliers of Silicone Heat Shrink Tubing
Key Features & Advantages
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Exceptional Temperature Resistance
Operates stably from -60℃ to 250℃ (short-term up to 300℃), making it suitable for high-heat industrial processes and cryogenic applications.
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Superior Chemical & Oil Resistance
Highly resistant to acids, alkalis, solvents, fuels, and lubricants, ensuring durability in corrosive industrial settings.
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High Mechanical Strength & Durability
Reinforced with high-tensile fabric or steel wire for enhanced pressure resistance, kink resistance, and abrasion resistance.
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Excellent Flexibility & Elasticity
Remains flexible over a wide temperature range, allowing for easy installation and movement in dynamic machinery.
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Long Service Life & Stability
Resistant to UV radiation, ozone aging, and weathering, ensuring consistent performance in outdoor and industrial environments.
Product Specifications & Parameters
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★ Material: High-purity platinum-cured silicone rubber, reinforced with polyester fabric or stainless steel wire braid.
★ Standard Color: Black, gray, or custom colors (e.g., red for high-temperature applications).
★ Inner Diameter Range: 3mm to 50mm+, customizable per requirements.
★ Pressure Rating: Up to 10 bar (145 psi) for standard tubes; higher for reinforced versions.
★ Process: Extruded and vulcanized using continuous or batch processes for consistent quality.
Characteristics
| Item | Parameter | ||
| (Shore A) Hardness | 50A±5A | 60A±5A | 70A±5A |
| MPa(Kg/cm²) Tensile Strength | ≧6.0 | ≧6.0 | ≧6.0 |
| Elongation | ≧500% | ≧400% | ≧250% |
| KN/m(kgf/cm) Tear Strength | ≧1 | ≧18 | ≧18 |
| (Ω·cm) Physical Resistivity | ≧2×10¹⁴ | ≧2×10¹⁴ | ≧2×10¹⁴ |
| KV/mm Dielectric Strength | ≧20 | ≧20 | ≧20 |
| Use Temperature Range | -50～+200 | -50～+200 | -50～+200 |
| 200°C Aging Condition | No cracking at 4h | No cracking at 4h | No cracking at 4h |
| Breakdown Strength | 20kV/mm | 20kV/mm | 20kV/mm |
| Ozone Resistance | Flawless | Flawless | Flawless |
Main Purpose
Primary Application Fields
◎ Automotive Industry: Fuel lines, brake lines, turbocharger hoses, coolant systems, and air intake systems.
◎ Industrial Machinery: Hydraulic and pneumatic systems, chemical transfer lines, food processing equipment (e.g., beverage filling lines), and pharmaceutical machinery.
◎ Aerospace & Defense: Aircraft fuel systems, hydraulic lines, and environmental control systems.
◎ Renewable Energy: Solar thermal systems, wind turbine cooling systems, and geothermal applications.
◎ Heavy Equipment & Mining: Excavator hydraulic hoses, mining slurry transfer lines, and dust extraction systems.
Usage Precautions & Maintenance
◎ Installation & Connection: Use appropriate industrial clamps or fittings. Avoid over-tightening or misalignment during installation.
◎ Cleaning & Sterilization: Can be cleaned with industrial solvents or steam cleaning. For food-grade variants, follow specific cleaning protocols.
◎ Storage Conditions: Store in a cool, dry place away from direct sunlight and ozone sources (e.g., electric motors).
◎ Compatibility Testing: Always test compatibility with specific fluids, pressures, and temperatures before full-scale deployment.
Product Specification Sheet
| Specification | Wall thickness Standard 0.5–0.9 | Wall thickness Standard 1.0–1.9 | Wall thickness Standard 2.0–2.9 | Wall thickness Standard 3.0–3.9 | Wall thickness Standard 4.0–5.0 | |||||
| Internal diameter tolerance | Wall thickness tolerance | Internal diameter tolerance | Wall thickness tolerance | Internal diameter tolerance | Wall thickness tolerance | Internal diameter tolerance | Wall thickness tolerance | Internal diameter tolerance | Wall thickness tolerance | |
| Φ0.4 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | - | - | - | - | - | - |
| Φ0.5 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | - | - | - | - | - | - |
| Φ0.6 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | - | - | - | - | - | - |
| Φ0.7 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | - | - | - | - | - | - |
| Φ0.8 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | - | - | - | - | - | - |
| Φ1.0 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.1 | ±0.2 | - | - |
| Φ1.2 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.1 | ±0.2 | - | - |
| Φ1.5 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.1 | ±0.2 | - | - |
| Φ2.0 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.1 | ±0.2 | ±0.2 | ±0.25 |
| Φ2.5 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.1 | ±0.2 | ±0.2 | ±0.25 |
| Φ3.0 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.2 | ±0.25 |
| Φ3.5 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.2 | ±0.25 |
| Φ4.0 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.2 | ±0.25 |
| Φ4.5 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.2 | ±0.25 |
| Φ5.0 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.2 | ±0.25 |
| Φ5.5 | ±0.1 | ±0.1 | ±0.1 | ±0.15 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.2 | ±0.25 |
| Φ6.0 | ±0.15 | ±0.1 | ±0.15 | ±0.15 | ±0.15 | ±0.25 | ±0.2 | ±0.25 | ±0.25 | ±0.25 |
| Φ6.5 | ±0.15 | ±0.1 | ±0.15 | ±0.15 | ±0.15 | ±0.25 | ±0.2 | ±0.25 | ±0.25 | ±0.25 |
| Φ7.0 | ±0.15 | ±0.1 | ±0.15 | ±0.15 | ±0.15 | ±0.25 | ±0.2 | ±0.25 | ±0.25 | ±0.25 |
| Φ7.5 | ±0.15 | ±0.1 | ±0.15 | ±0.15 | ±0.15 | ±0.25 | ±0.2 | ±0.25 | ±0.25 | ±0.25 |
| Φ8.0 | ±0.2 | ±0.1 | ±0.2 | ±0.1 | ±0.2 | ±0.25 | ±0.2 | ±0.25 | ±0.25 | ±0.3 |
| Φ8.5 | ±0.2 | ±0.1 | ±0.2 | ±0.15 | ±0.2 | ±0.25 | ±0.2 | ±0.3 | ±0.25 | ±0.3 |
| Φ9.0 | ±0.2 | ±0.1 | ±0.2 | ±0.15 | ±0.2 | ±0.25 | ±0.2 | ±0.3 | ±0.25 | ±0.3 |
| Φ9.5 | ±0.2 | ±0.1 | ±0.2 | ±0.15 | ±0.2 | ±0.25 | ±0.2 | ±0.3 | ±0.25 | ±0.3 |
| Φ10.0 | ±0.2 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.3 | ±0.25 | ±0.3 | ±0.25 | ±0.3 |
| Φ11.0 | ±0.3 | ±0.15 | ±0.3 | ±0.2 | ±0.3 | ±0.3 | ±0.3 | ±0.35 | ±0.3 | ±0.35 |
| Φ12.0 | ±0.3 | ±0.15 | ±0.3 | ±0.2 | ±0.3 | ±0.3 | ±0.3 | ±0.35 | ±0.3 | ±0.35 |
| Φ13.0 | ±0.3 | ±0.15 | ±0.3 | ±0.2 | ±0.3 | ±0.3 | ±0.3 | ±0.35 | ±0.3 | ±0.35 |
| Φ14.0 | ±0.3 | ±0.15 | ±0.3 | ±0.2 | ±0.3 | ±0.3 | ±0.3 | ±0.35 | ±0.3 | ±0.35 |
| Φ15.0 | ±0.3 | ±0.15 | ±0.3 | ±0.2 | ±0.3 | ±0.3 | ±0.3 | ±0.35 | ±0.3 | ±0.35 |
| Φ16.0 | ±0.4 | ±0.15 | ±0.4 | ±0.25 | ±0.4 | ±0.35 | ±0.45 | ±0.35 | ±0.45 | ±0.35 |
| Φ17.0 | ±0.4 | ±0.15 | ±0.4 | ±0.25 | ±0.4 | ±0.35 | ±0.45 | ±0.35 | ±0.45 | ±0.35 |
| Φ18.0 | ±0.4 | ±0.15 | ±0.4 | ±0.25 | ±0.4 | ±0.35 | ±0.45 | ±0.35 | ±0.45 | ±0.35 |
| Φ19.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.45 | ±0.35 | ±0.45 | ±0.35 |
| Φ20.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.5 | ±0.35 | ±0.5 | ±0.35 |
| Φ21.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.5 | ±0.35 | ±0.5 | ±0.35 |
| Φ22.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.5 | ±0.35 | ±0.5 | ±0.35 |
| Φ23.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.5 | ±0.35 | ±0.5 | ±0.35 |
| Φ24.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.5 | ±0.35 | ±0.5 | ±0.35 |
| Φ25.0 | ±0.5 | ±0.15 | ±0.5 | ±0.25 | ±0.5 | ±0.35 | ±0.3 | ±0.4 | ±0.5 | ±0.45 |
| Φ26–30 | ±0.8 | ±0.2 | ±0.8 | ±0.25 | ±0.8 | ±0.4 | ±0.8 | ±0.4 | ±0.8 | ±0.45 |
| Φ31–35 | ±1.5 | ±0.2 | ±1.5 | ±0.25 | ±1.5 | ±0.4 | ±1.5 | ±0.5 | ±1.5 | ±0.45 |
| Φ36–40 | ±1.5 | ±0.2 | ±1.5 | ±0.25 | ±1.5 | ±0.4 | ±1.5 | ±0.5 | ±1.5 | ±0.45 |
| Φ41–45 | ±1.8 | ±0.2 | ±1.8 | ±0.25 | ±1.8 | ±0.4 | ±1.8 | ±0.5 | ±1.8 | ±0.45 |
| Φ46–50 | ±1.8 | ±0.2 | ±1.8 | ±0.25 | ±1.8 | ±0.4 | ±1.8 | ±0.5 | ±1.8 | ±0.45 |
| Φ51–55 | ±2.5 | ±0.25 | ±2.5 | ±0.3 | ±2.5 | ±0.5 | ±2.5 | ±0.5 | ±2.5 | ±0.45 |
| Φ56–60 | - | - | ±3.0 | ±0.3 | ±3.0 | ±0.5 | ±13.0 | ±0.5 | ±3.0 | ±0.5 |
| Φ61–65 | - | - | ±4.0 | ±0.3 | ±4.0 | ±0.5 | ±4.0 | ±0.5 | ±4.0 | ±0.5 |
| Φ66–70 | - | - | ±5.0 | ±0.4 | ±5.0 | ±0.5 | ±5.0 | ±0.5 | ±5.0 | ±0.5 |
| Φ71–75 | - | - | ±6.0 | ±0.4 | ±6.0 | ±0.5 | ±6.0 | ±0.55 | ±6.0 | ±0.6 |
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Frequently Asked Questions (FAQ)
What is the maximum operating temperature of this silicone rubber tube?
The silicone rubber tube can operate stably from -60℃ to 250℃ under continuous use conditions. For short-term applications, it can withstand temperatures up to 300℃, making it ideal for high-heat industrial processes as well as cryogenic environments.
What inner diameter sizes are available, and can they be customized?
Standard inner diameter options range from 3mm to 50mm and above. All sizes are fully customizable to meet specific project requirements. Please refer to the specification sheet or contact us directly to discuss custom dimensions and tolerances.
Is this silicone tube suitable for food and pharmaceutical applications?
Yes. The tube is manufactured using high-purity platinum-cured silicone rubber, which meets the standards required for food processing and pharmaceutical machinery. Food-grade variants are available and should follow designated cleaning and sterilization protocols.
What is the pressure rating of the standard silicone tube?
The standard silicone tube supports a pressure rating of up to 10 bar (145 psi). Reinforced versions — featuring polyester fabric or stainless steel wire braid — are available for higher-pressure applications. Contact our technical team for specific pressure requirements.
How should the silicone tube be stored to maintain its performance?
Store silicone tubes in a cool, dry environment away from direct sunlight, UV radiation, and ozone-generating equipment such as electric motors. Proper storage ensures the tube maintains its flexibility, elasticity, and long-term service life.
What chemicals and fluids is this silicone tube resistant to?
The silicone rubber tube exhibits superior resistance to a wide range of chemicals including acids, alkalis, organic solvents, fuels, and lubricating oils. It is also resistant to UV radiation and ozone aging, ensuring reliable performance in both indoor and outdoor industrial environments. Compatibility testing is recommended before full-scale deployment with specific media.