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China Suppliers of Custom Silicone Special Shaped Tubes and Strips – High-Quality OEM Factory Products
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Product Characteristics
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◎ Exceptional Temperature Resistance
• Broad Operating Range: Long-term stable performance from -60°C to 250°C; short-term exposure up to 300°C (e.g., automotive engine compartments). Maintains flexibility at cryogenic temperatures, preventing brittleness.
• Thermal Stability: <5% physical property degradation after 72-hour aging at 200°C (ASTM D573), ensuring long-term reliability.
• Applications: Ideal for turbocharger hoses, high-temperature oven seals, and polar expedition equipment.
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Superior Physical Mechanical Properties
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◎ Resilience & Compression Set: Shore hardness range 20-80A; ≤15% permanent deformation at 50% compression (ASTM D395), enabling repeated compression cycles.
◎ Tear & Abrasion Resistance: Tear strength ≥25 kN/m (ASTM D624); wear volume ≤0.05 cm³ (Taber test), suited for dynamic sealing in conveyor systems.
◎ Ozone & UV Resistance: Passes 1000-hour ozone aging (50pphm/40°C) and 2000-hour QUV accelerated aging; outdoor lifespan >10 years.
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Environmental & Safety Compliance
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◎ International Certifications: RoHS 2.0, REACH SVHC, FDA 21 CFR 177.2600 (food contact), and EU EN71-3 (toy safety).
◎ Biocompatibility: Meets ISO 10993-5 cytotoxicity standards for medical applications (e.g., ventilator seals).
◎ Hazard-Free: No detectable phthalates, PAHs, or heavy metals; safe for infant products.
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Electrical Insulation & Sealing Performance
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◎ Insulation Grade: Volume resistivity ≥1×10¹⁴ Ω·cm; dielectric strength ≥20 kV/mm; UL94 V0 flame retardancy.
◎ Sealing Reliability: Helium leak rate ≤0.01 cm³/min; IP68 waterproof rating (1m depth/30min), suitable for submersible devices.
◎ Chemical Resistance: Tolerates weak acids (pH≥3), weak bases (pH≤11), and alcohols; incompatible with strong acids/bases or organic solvents.
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Customization
✦ Customization Capabilities
◎ Cross-Sectional Design: Supports rectangular, trapezoidal, hollow profiles, etc., with ±0.1mm tolerance for precision assembly.
◎ Surface Treatments:
◎ Adhesive Backing: 3M 467MP pressure-sensitive adhesive (peel strength ≥4 N/cm, -40°C to 120°C).
◎ Foam Processing: Closed-cell structure, density 0.3-0.8 g/cm³, ≥90% compression rebound for vibration damping.
◎ Textured Surfaces: Anti-slip patterns or drainage grooves for enhanced functionality.
◎ Color & Identification: Pantone color matching; laser-engraved logos/numbers for traceability.
✦ Application-Specific Solutions
◎ Automotive: Engine bay seals (oil-resistant), EV battery waterproofing (IP67), sunroof guide rails.
◎ Electronics: 5G base station sealing (humidity/salt spray resistance), LED light fixing (UV-resistant), appliance door gaskets (antibacterial).
◎ Industrial: Hydraulic system seals (high-pressure), chemical pipeline liners (acid/alkali-resistant), food machinery (FDA-compliant).
◎ Medical: Ventilator tubing (biocompatible), dialysis machine seals (sterile packaging).
✦ Technical Support & Services
◎ Sample Development: Free samples for first-time clients; 5-7-day turnaround from 3D drawings to prototypes.
◎ Quality Report: SGS full-test reports (physical properties, chemical safety, aging tests).
◎ After-Sales: 12-month warranty; free replacement for non-manufacturing defects; installation videos provided.
✦ Sustainability & Eco-Friendliness
◎ Recyclable Design: 100% material recyclable per EU ELV directive.
◎ Low-Carbon Production: Solvent-free process; VOC emissions <50 mg/m³; ISO 14001 certified.
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Make an free consultant
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Frequently Asked Questions
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What is the operating temperature range of your silicone special shaped tubes and strips?
Our silicone products offer long-term stable performance from -60°C to 250°C, with short-term exposure capability up to 300°C. They maintain flexibility even at cryogenic temperatures, making them ideal for automotive engine compartments, turbocharger hoses, and polar expedition equipment.
2
Are your silicone products certified for food contact and medical applications?
Yes. Our products comply with FDA 21 CFR 177.2600 for food contact applications, and meet ISO 10993-5 cytotoxicity standards for medical use (e.g., ventilator seals, dialysis machine components). Additional certifications include RoHS 2.0, REACH SVHC, and EU EN71-3.
3
Can you produce custom cross-sections, colors, and surface finishes?
Absolutely. We support a wide range of custom cross-sectional profiles including rectangular, trapezoidal, and hollow shapes with ±0.1mm tolerance. We also offer Pantone color matching, laser-engraved logos, 3M adhesive backing, foam processing, and textured anti-slip surfaces to meet your specific application requirements.
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What is the waterproof and sealing performance of your silicone strips?
Our silicone strips achieve an IP68 waterproof rating (1m depth / 30 minutes), with a helium leak rate of ≤0.01 cm³/min. They are suitable for submersible devices, 5G base station enclosures, EV battery packs, and other demanding sealing environments.
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How long does it take to develop samples, and do you offer free samples?
We offer free samples for first-time clients. From 3D drawing submission to prototype delivery, our standard turnaround is 5–7 business days. Full SGS test reports covering physical properties, chemical safety, and aging performance are available upon request.
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Are your silicone products environmentally friendly and sustainable?
Yes. Our silicone products are 100% recyclable in compliance with the EU ELV directive. Our manufacturing process is solvent-free with VOC emissions below 50 mg/m³, and our facility is ISO 14001 certified for environmental management, supporting low-carbon and sustainable production.