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Aging-Resistant Industrial-Grade Silicone Braided Tube - China Suppliers & Factory
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
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 (FAQ)
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Q1What is the maximum working pressure of silicone braided hose?The working pressure of silicone braided hose typically ranges from 10 to 50 Bar, depending on the inner diameter, wall thickness, and braid structure. Burst pressure is generally 3–6 times the rated working pressure. Always ensure the system operating pressure does not exceed the product's rated value.
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Q2What temperature range can silicone braided hose withstand?Silicone braided hose offers a continuous operating temperature range of -60℃ to 200℃ (some models from -73.3℃ to 204.4℃). It maintains excellent elasticity and performance stability in both extreme cold and high-heat environments, making it suitable for demanding industrial applications.
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Q3Is silicone braided hose suitable for food and beverage applications?Yes, provided that a food-grade silicone inner tube is specified. Food-grade silicone braided hose is suitable for pressurized transfer of food-grade liquids such as fruit pulp, edible oils, and concentrated juices. Please confirm food-grade compliance when placing your order.
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Q4Can silicone braided hose be customized in size and color?Yes. Standard sizes range from Φ3.0mm to Φ35.0mm inner diameter, but custom sizes can be produced per customer drawings. The standard color is clear/transparent, while black, milky white, and other custom colors are also available upon request.
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Q5What chemicals is silicone braided hose resistant to?The silicone inner liner provides good resistance to a wide range of acids, alkalis, oils, solvents, and industrial chemicals. However, for highly corrosive or aggressive media, material compatibility testing is strongly recommended before full-scale use to ensure safe and reliable operation.
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Q6How should silicone braided hose be stored and maintained?Store the hose in a cool, dry, and well-ventilated indoor environment, away from direct sunlight, ozone sources such as large motors, and sharp objects. Regular inspection for wear, cracking, or deformation is recommended. Replace immediately if any damage is found to ensure system safety.