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Aging-Resistant Industrial-Grade Silicone Braided Tube - Top China Suppliers & Factory Solutions
Core Features & Advantages
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◎ Exceptional Pressure Resistance & Structural Stability
The multi-layer braided reinforcement acts as a robust pressure-bearing skeleton, enabling working pressures of 10-50 Bar and burst pressures up to 3-6 times the rated value. This structure effectively prevents collapse during vacuum suction or under high negative pressure, ensuring stable transmission in high-pressure differential environments.
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◎ Superior Temperature & Weather Resistance
Inheriting the wide temperature range of silicone, its continuous operating temperature spans from -60℃ to 200℃ (some models from -73.3℃ to 204.4℃), with short-term tolerance for even higher temperatures. It maintains elasticity and stable performance in extreme climates and resists ozone and UV aging.
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◎ Excellent Chemical & Mechanical Resistance
The silicone inner liner offers good tolerance to a wide range of acids, alkalis, oils, solvents, and industrial chemicals. The braided reinforcement provides high tensile strength, abrasion resistance, and kink resistance. The optimized braiding angle and density enhance the hose's durability in complex bending layouts, preventing flattening or rupture.
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◎ Smooth Bore & Fluid Compatibility
The smooth inner wall minimizes fluid resistance, reduces media retention, and facilitates cleaning, effectively lowering cross-contamination risks and meeting high-standard industrial requirements. The semi-transparent wall allows for visual monitoring of fluid flow.
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◎ Long Service Life & High Reliability
Designed for extended service life, it maintains stable performance in harsh industrial environments, significantly reducing system maintenance costs and downtime.
Product Specifications & Parameters
◎ Material: Inner layer: High-purity platinum-cured silicone rubber; Reinforcement: High-strength polyester braid, aramid, or stainless steel wire braid.
◎ Standard Color: Black, transparent, milky white, or customizable per customer request.
◎ Hardness: Typically around 70 Shore A.
◎ Inner Diameter Range: Available in various sizes from small bore (e.g., 2mm, 3mm) to large bore (e.g., 50mm, 70mm or larger), customizable per drawings.
◎ Pressure Rating: Working pressure typically 10-50 Bar, depending on braid structure and thickness.
◎ Standard Length: Usually 12 ft/coil, or customizable by agreement.
◎ Process & Certification: Manufactured in a clean, controlled environment using precision extrusion and automated braiding processes. Can be made to comply with relevant industrial standards upon request.
Characteristics
| Item | Parameter |
| (Shore A)(Hardness) | 70A±5A |
| MPa(Kg/cm²) Tensile strength | ≧8.0 |
| Elongation | ≧300% |
| kN/m(kgf/cm) Tear strength | ≧40 |
| (Ω·cm) Physical resistivity | ≧2×10¹⁴ |
| KV/mm Dielectric strength | ≧20 |
| Use temperature range | -50 ～ +200℃ |
| Aging condition 200°C | No cracking at 4h |
| Breakdown strength | 20kv/mm |
| Ozone resistance | Flawless |
| Water pressure resistance | 8-14 bar |
Primary Application Fields
◎ Industrial Machinery & Automation: Hydraulic and pneumatic system lines, chemical reagent and solvent transfer lines, high-pressure cleaning equipment, industrial gas delivery, dust extraction systems.
◎ Automotive & Transportation: Turbocharger hoses for automotive modification, hydraulic oil lines for engineering machinery, fluid transfer systems for special vehicles.
◎ Food & Beverage Processing: Suitable for pressurized food-grade liquid transfer, such as pumping lines for fruit pulp, edible oils, and concentrated juices (requires food-grade silicone inner tube).
◎ New Energy & Environmental Protection: Electrolyte transfer in lithium battery production, solar thermal system piping, corrosive media handling in environmental protection equipment.
◎ Other High-Pressure Applications: Connections for laboratory high-pressure equipment, external tubing for some medical devices (non-implantable), fluid power transmission for special industrial models.
Usage Instructions
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◎ Installation & Connection
Use industrial-grade clamps or quick-connect fittings matched to the hose diameter to ensure a reliable seal. Avoid excessive bending, stretching, or twisting during installation. Refer to the specific product specifications for the minimum bend radius.
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◎ Cleaning & Sterilization
Can be cleaned using suitable industrial cleaners, hot water, or steam based on the media properties. Some models support CIP (Clean-in-Place) and SIP (Sterilize-in-Place). Non-food-grade products should not be used in food-related cleaning processes.
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◎ Precautions
Store the product in a cool, dry, and well-ventilated indoor environment, away from direct sunlight, ozone sources (e.g., near large motors), and contact with sharp objects.
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◎ Compatibility & Pressure Testing
Despite broad chemical resistance, material compatibility testing is recommended before transferring highly corrosive chemicals. The system operating pressure must not exceed the hose's rated working pressure.
Product Specification Sheet
| Specifications (mm) | Outer Diameter (mm) | Inner Diameter (mm) | Wall Thickness (mm) | Packing |
| Φ3.0 | 7±0.3 | 3±0.2 | 2±0.2 | 100M/Roll |
| Φ4.0 | 10±0.3 | 4±0.2 | 3±0.3 | 100M/Roll |
| Φ5.0 | 11±0.4 | 5±0.25 | 3±0.3 | 100M/Roll |
| Φ6.0 | 12±0.4 | 6±0.3 | 3±0.3 | 100M/Roll |
| Φ8.0 | 14±0.4 | 8±0.3 | 3±0.3 | 50M/Roll |
| Φ9.0 | 15±0.45 | 9±0.35 | 3±0.35 | 50M/Roll |
| Φ10.0 | 17±0.5 | 10±0.4 | 3.5±0.35 | 50M/Roll |
| Φ12.0 | 20±0.5 | 12±0.4 | 4±0.4 | 50M/Roll |
| Φ15.0 | 23±0.5 | 15±0.5 | 4±0.4 | 50M/Roll |
| Φ16.0 | 24±0.6 | 16±0.6 | 4±0.4 | 50M/Roll |
| Φ19.0 | 28±0.7 | 19±0.7 | 4.5±0.4 | 50M/Roll |
| Φ20.0 | 30±0.7 | 20±0.7 | 5±0.3 | 50M/Roll |
| Φ25.0 | 35±0.8 | 25±1.0 | 5±0.3 | 50M/Roll |
| Φ30.0 | 40±0.3 | 30±0.2 | 5±0.3 | 50M/Roll |
| Φ35.0 | 47±0.3 | 35±0.2 | 6±0.3 | 50M/Roll |
Note
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The ordinary color of silicone braided tube is clear; other colors and specifications can be made as per customization.
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Frequently Asked Questions
Q What is the maximum working pressure of the silicone braided hose?
The silicone braided hose supports working pressures of 10–50 Bar depending on the inner diameter, wall thickness, and braid structure. Burst pressure can reach 3–6 times the rated working pressure. Always verify the specific product datasheet before selecting a hose for your application.
Q What temperature range can this silicone hose withstand?
The hose has a continuous operating temperature range of -60℃ to 200℃, with some specialized models rated from -73.3℃ to 204.4℃. It maintains elasticity and stable sealing performance across extreme temperature environments.
Q Is this silicone braided hose suitable for food and beverage applications?
Yes, provided the inner tube is made from food-grade, platinum-cured silicone rubber. The smooth bore minimizes media retention and simplifies cleaning, making it suitable for transferring fruit pulp, edible oils, concentrated juices, and other food-grade liquids under pressure.
Q Can the hose dimensions and colors be customized?
Yes. Inner diameters range from 2mm to 70mm or larger, and custom sizes can be produced per customer drawings. Standard colors include clear, black, and milky white; other colors are available upon request. Custom lengths and coil packaging are also available.
Q How should the silicone braided hose be properly installed?
Use industrial-grade clamps or quick-connect fittings matched to the hose's outer diameter. Avoid excessive bending beyond the minimum bend radius, and do not stretch or twist the hose during installation. Confirm the system operating pressure does not exceed the hose's rated value before use.
Q What reinforcement materials are available for the braided layer?
The reinforcement layer can be made from high-strength polyester braid, aramid fiber, or stainless steel wire braid, depending on the required pressure rating, flexibility, and application environment. Stainless steel braid is recommended for demanding industrial or high-pressure scenarios.