When high-pressure fluid transfer, extreme temperature resistance, and structural durability are non-negotiable, composite silicone braided tubing emerges as the industry’s reliable solution. Tengye delivers premium composite silicone braided tubing—engineered with a three-layer "inner silicone + reinforced braid + outer silicone" structure—to meet the rigorous demands of global industries from food processing to automotive and medical sectors.
Premium Composite Structure: Strength & Safety Combined
Our composite silicone braided tubing features a precision-engineered three-layer structure that outperforms single-layer silicone tubes by 3x in pressure resistance . The inner layer is crafted from high-purity food-grade or industrial-grade silicone (free of BPA, phthalates, and heavy metals) with a mirror-smooth surface (Ra ≤ 0.08μm) to minimize fluid residue and ensure easy cleaning . The middle reinforcement layer uses high-strength polyester, nylon, or aramid fibers (optional stainless steel wire for ultra-high pressure) woven in a dense mesh pattern—boosting tensile strength and preventing tube expansion under pressure . The outer silicone layer acts as a protective barrier against abrasion, UV radiation, and chemical corrosion, ensuring long-term durability in harsh environments .
Every batch adheres to global quality standards, with certifications including FDA 21 CFR 177.2600 (food contact), USP Class VI (medical use), RoHS 2.0 (hazardous substance restriction), and UL 94 V-0 (flame retardancy) . For pharmaceutical and food applications, production takes place in ISO 14644-1 Class 1000 cleanrooms to avoid contamination, with third-party SGS/Intertek test reports available for traceability .
Precision Production: Crafting Uniformity & Performance
Our specialized production workflow ensures consistent quality across every meter of composite silicone braided tubing, with strict control over each structural layer:
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Material Preparation & Inner Tube Extrusion: High-purity silicone is mixed with food-safe or industrial-grade additives (flame retardants, UV stabilizers) and extruded into a uniform inner tube. We use platinum vulcanization (instead of peroxide) for odorless, non-toxic results—critical for food and medical applications .
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Precision Braiding: Computer-programmed braiding machines wrap the inner tube with high-strength fibers at a controlled density (up to 90% coverage). This ensures uniform pressure distribution and prevents "weak spots" that could lead to bursting . For ultra-high pressure needs (4-10MPa), we use stainless steel wire braiding to achieve 4x the pressure resistance of standard fiber-braided tubes .
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Outer Layer Coating & Curing: A second layer of silicone is extruded over the braid, forming a seamless bond with the reinforcement layer. The tubing is then cured in temperature-stabilized ovens (160-180℃) to lock in structural integrity, with slow cooling to avoid cracking .
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Multi-Dimensional Inspection: Each batch undergoes pressure burst testing (2.5-10MPa based on specification), dimensional accuracy checks (±0.1mm for critical sizes), thermal cycle testing (-60℃ to 260℃), and chemical resistance assessments. Food/medical grades receive additional migration and sensory tests to ensure no odor or taste transfer .
Key Traits & Performance Specifications
Our composite silicone braided tubing stands out for its balanced combination of strength, flexibility, and durability:
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Superior Pressure Resistance: Working pressure ranges from 2.5MPa to 10MPa (burst pressure 3x working pressure), with stainless steel braided versions supporting ultra-high pressure applications like hydraulic systems .
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Extreme Temperature Tolerance: Operates reliably from -60℃ to 200℃ (-76°F to 392°F), with short-term tolerance up to 260℃ for high-temperature sterilization (compatible with SIP/CIP systems) . Special formulations can withstand -73.3℃ for cryogenic applications .
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All-Around Durability: Resists abrasion, UV radiation, ozone, and common chemicals (mild acids, alkalis, industrial oils). The braided layer prevents kinking and twisting, while the outer silicone layer reduces wear from friction .
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Hygiene & Versatility: Smooth inner wall prevents bacterial growth and fluid retention—ideal for food, beverage, and pharmaceutical transfer. Semi-transparent options allow visual monitoring of fluid flow .
Industry-Specific Applications
Our composite silicone braided tubing is tailored to solve unique challenges across key sectors:
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Food & Beverage Processing: Transfer of milk, edible oil, fruit juice, and beer. FDA/LFGB compliance ensures safety for direct food contact, while heat resistance handles pasteurization (121℃) and hot-fill processes (150℃) .
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Automotive & EVs: Turbocharger cooling lines, engine coolant hoses, and fuel system tubes. Withstands under-hood temperatures (-60℃ to 200℃) and resists oil/coolant corrosion .
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Medical & Pharmaceutical: Infusion system tubes, bioreactor fluid transfer, and sterilization equipment hoses. USP Class VI certification ensures biocompatibility, and the smooth inner wall supports CIP/SIP sterilization .
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Industrial Machinery: Hydraulic system lines, industrial oven cooling tubes, and chemical transfer hoses. Ultra-high pressure versions (4-10MPa) handle heavy-duty machinery needs .
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Marine & Offshore: Seawater transfer and offshore equipment hoses. The outer silicone layer resists saltwater corrosion, while the braided layer maintains structural integrity in rough seas .
Custom OEM/ODM & Efficient Service
We tailor composite silicone braided tubing to your specific application needs:
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Full Customization: Accept drawings/samples (来图来样加工) – choose inner/outer diameter (3mm-50mm), wall thickness, braid material (polyester/nylon/aramid/stainless steel), color (translucent, white, black, or custom RAL codes), and length (up to 100m/roll) .
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Specialized Formulations: Request food-grade (FDA/LFGB), medical-grade (USP Class VI), flame-retardant (UL 94 V-0), or ultra-high pressure (stainless steel braid) versions for niche requirements .
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Rapid Prototyping: Samples ready in 7-10 days for standard specs; 10-14 days for custom braid materials or formulations. Free sample testing includes pressure verification and certification documentation .
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Scalable Delivery: Backed by automated extrusion and braiding lines, we handle small batches (10m+) for prototyping and large-volume orders (10,000m+) for mass production, with on-time shipping guarantees .
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One-Stop Support: Dedicated technical team assists with material selection and pressure rating optimization. 24/7 customer service provides batch traceability and certification support .
Tengye: Your Trusted Partner for Composite Silicone Tubing
At Tengye, “Integrity First, Quality First, Service First” guides our commitment to composite silicone braided tubing. We combine 15+ years of extrusion and braiding expertise with premium materials to deliver tubing that doesn’t just transfer fluids—it protects your operations, ensures compliance, and reduces maintenance costs. Every product is backed by full certification, traceable testing, and personalized support to meet your unique needs.
Ready to source high-pressure, heat-resistant composite silicone braided tubing? Contact Tengye today for a custom quote and free sample!
